RHSA-2021:4173
Vulnerability from csaf_redhat
Published
2021-11-09 18:14
Modified
2025-03-15 22:33
Summary
Red Hat Security Advisory: exiv2 security, bug fix, and enhancement update

Notes

Topic
An update for exiv2 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Exiv2 is a C++ library to access image metadata, supporting read and write access to the Exif, IPTC and XMP metadata, Exif MakerNote support, extract and delete methods for Exif thumbnails, classes to access Ifd, and support for various image formats. The following packages have been upgraded to a later upstream version: exiv2 (0.27.4). (BZ#1989860) Security Fix(es): * exiv2: Heap-based buffer overflow in Jp2Image::readMetadata() (CVE-2021-3482) * exiv2: Heap-based buffer overflow in Exiv2::Jp2Image::doWriteMetadata (CVE-2021-29457) * exiv2: Out-of-bounds read in Exiv2::Internal::CrwMap::encode (CVE-2021-29458) * exiv2: Heap-based buffer overflow in Exiv2::Jp2Image::encodeJp2Header (CVE-2021-29464) * exiv2: Out-of-bounds read in Exiv2::Jp2Image::encodeJp2Header (CVE-2021-29470) * exiv2: Out-of-bounds read in Exiv2::Jp2Image::doWriteMetadata (CVE-2021-29473) * exiv2: Integer overflow in CrwMap:encode0x1810 leading to heap-based buffer overflow and DoS (CVE-2021-31292) * exiv2: Out-of-bounds read in Exiv2::WebPImage::doWriteMetadata (CVE-2021-29463) * exiv2: Use of uninitialized memory in isWebPType() may lead to information leak (CVE-2021-29623) * exiv2: DoS due to quadratic complexity in ProcessUTF8Portion (CVE-2021-32617) * exiv2: Out-of-bounds read in Exiv2::Jp2Image::printStructure (CVE-2021-37618) * exiv2: Out-of-bounds read in Exiv2::Jp2Image::encodeJp2Header (CVE-2021-37619) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


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            text: "An update for exiv2 is now available for Red Hat Enterprise Linux 8.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
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            {
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                  attackComplexity: "LOW",
                  attackVector: "NETWORK",
                  availabilityImpact: "LOW",
                  baseScore: 6.5,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "LOW",
                  integrityImpact: "NONE",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
                  version: "3.1",
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               category: "impact",
               details: "Moderate",
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         title: "exiv2: Heap-based buffer overflow in Jp2Image::readMetadata()",
      },
      {
         cve: "CVE-2021-29457",
         cwe: {
            id: "CWE-787",
            name: "Out-of-bounds Write",
         },
         discovery_date: "2021-04-19T00:00:00+00:00",
         ids: [
            {
               system_name: "Red Hat Bugzilla ID",
               text: "1952612",
            },
         ],
         notes: [
            {
               category: "description",
               text: "There's a flaw in exiv2. An attacker who is able to supply a crafted file to an application linked against exiv2 could trigger an out-of-bounds write in heap memory. The highest risk of this flaw is to application confidentiality, integrity, and availability.",
               title: "Vulnerability description",
            },
            {
               category: "summary",
               text: "exiv2: Heap-based buffer overflow in Exiv2::Jp2Image::doWriteMetadata",
               title: "Vulnerability summary",
            },
            {
               category: "general",
               text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
               title: "CVSS score applicability",
            },
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         references: [
            {
               category: "self",
               summary: "Canonical URL",
               url: "https://access.redhat.com/security/cve/CVE-2021-29457",
            },
            {
               category: "external",
               summary: "RHBZ#1952612",
               url: "https://bugzilla.redhat.com/show_bug.cgi?id=1952612",
            },
            {
               category: "external",
               summary: "https://www.cve.org/CVERecord?id=CVE-2021-29457",
               url: "https://www.cve.org/CVERecord?id=CVE-2021-29457",
            },
            {
               category: "external",
               summary: "https://nvd.nist.gov/vuln/detail/CVE-2021-29457",
               url: "https://nvd.nist.gov/vuln/detail/CVE-2021-29457",
            },
            {
               category: "external",
               summary: "https://github.com/Exiv2/exiv2/security/advisories/GHSA-v74w-h496-cgqm",
               url: "https://github.com/Exiv2/exiv2/security/advisories/GHSA-v74w-h496-cgqm",
            },
         ],
         release_date: "2021-04-18T00:00:00+00:00",
         remediations: [
            {
               category: "vendor_fix",
               date: "2021-11-09T18:14:35+00:00",
               details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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                  attackVector: "LOCAL",
                  availabilityImpact: "HIGH",
                  baseScore: 7.8,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "HIGH",
                  integrityImpact: "HIGH",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "REQUIRED",
                  vectorString: "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  version: "3.1",
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         title: "exiv2: Heap-based buffer overflow in Exiv2::Jp2Image::doWriteMetadata",
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      {
         cve: "CVE-2021-29458",
         cwe: {
            id: "CWE-125",
            name: "Out-of-bounds Read",
         },
         discovery_date: "2021-04-19T00:00:00+00:00",
         ids: [
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               system_name: "Red Hat Bugzilla ID",
               text: "1952607",
            },
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            {
               category: "description",
               text: "There is a flaw in exiv2. An attacker who is able to submit a crafted file to be processed by an application linked with exiv2 could trigger an out-of-bounds read. The greatest risk of this flaw is to application availability and data confidentiality.",
               title: "Vulnerability description",
            },
            {
               category: "summary",
               text: "exiv2: Out-of-bounds read in Exiv2::Internal::CrwMap::encode",
               title: "Vulnerability summary",
            },
            {
               category: "general",
               text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
               title: "CVSS score applicability",
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            {
               category: "self",
               summary: "Canonical URL",
               url: "https://access.redhat.com/security/cve/CVE-2021-29458",
            },
            {
               category: "external",
               summary: "RHBZ#1952607",
               url: "https://bugzilla.redhat.com/show_bug.cgi?id=1952607",
            },
            {
               category: "external",
               summary: "https://www.cve.org/CVERecord?id=CVE-2021-29458",
               url: "https://www.cve.org/CVERecord?id=CVE-2021-29458",
            },
            {
               category: "external",
               summary: "https://nvd.nist.gov/vuln/detail/CVE-2021-29458",
               url: "https://nvd.nist.gov/vuln/detail/CVE-2021-29458",
            },
            {
               category: "external",
               summary: "https://github.com/Exiv2/exiv2/security/advisories/GHSA-57jj-75fm-9rq5",
               url: "https://github.com/Exiv2/exiv2/security/advisories/GHSA-57jj-75fm-9rq5",
            },
         ],
         release_date: "2021-04-18T00:00:00+00:00",
         remediations: [
            {
               category: "vendor_fix",
               date: "2021-11-09T18:14:35+00:00",
               details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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                  attackComplexity: "LOW",
                  attackVector: "LOCAL",
                  availabilityImpact: "HIGH",
                  baseScore: 6.1,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "LOW",
                  integrityImpact: "NONE",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "REQUIRED",
                  vectorString: "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
                  version: "3.1",
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         title: "exiv2: Out-of-bounds read in Exiv2::Internal::CrwMap::encode",
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         cve: "CVE-2021-29463",
         cwe: {
            id: "CWE-125",
            name: "Out-of-bounds Read",
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         discovery_date: "2021-05-11T00:00:00+00:00",
         ids: [
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               system_name: "Red Hat Bugzilla ID",
               text: "1978100",
            },
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            {
               category: "description",
               text: "Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An out-of-bounds read was found in Exiv2 versions v0.27.3 and earlier. The out-of-bounds read is triggered when Exiv2 is used to write metadata into a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service by crashing Exiv2, if they can trick the victim into running Exiv2 on a crafted image file. Note that this bug is only triggered when writing the metadata, which is a less frequently used Exiv2 operation than reading the metadata. For example, to trigger the bug in the Exiv2 command-line application, you need to add an extra command-line argument such as `insert`. The bug is fixed in version v0.27.4.",
               title: "Vulnerability description",
            },
            {
               category: "summary",
               text: "exiv2: Out-of-bounds read in Exiv2::WebPImage::doWriteMetadata",
               title: "Vulnerability summary",
            },
            {
               category: "general",
               text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
               title: "CVSS score applicability",
            },
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            {
               category: "self",
               summary: "Canonical URL",
               url: "https://access.redhat.com/security/cve/CVE-2021-29463",
            },
            {
               category: "external",
               summary: "RHBZ#1978100",
               url: "https://bugzilla.redhat.com/show_bug.cgi?id=1978100",
            },
            {
               category: "external",
               summary: "https://www.cve.org/CVERecord?id=CVE-2021-29463",
               url: "https://www.cve.org/CVERecord?id=CVE-2021-29463",
            },
            {
               category: "external",
               summary: "https://nvd.nist.gov/vuln/detail/CVE-2021-29463",
               url: "https://nvd.nist.gov/vuln/detail/CVE-2021-29463",
            },
         ],
         release_date: "2021-05-01T00:00:00+00:00",
         remediations: [
            {
               category: "vendor_fix",
               date: "2021-11-09T18:14:35+00:00",
               details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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            },
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            {
               cvss_v3: {
                  attackComplexity: "LOW",
                  attackVector: "LOCAL",
                  availabilityImpact: "HIGH",
                  baseScore: 5.5,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "REQUIRED",
                  vectorString: "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  version: "3.1",
               },
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               details: "Low",
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         title: "exiv2: Out-of-bounds read in Exiv2::WebPImage::doWriteMetadata",
      },
      {
         cve: "CVE-2021-29464",
         cwe: {
            id: "CWE-120",
            name: "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')",
         },
         discovery_date: "2021-05-11T00:00:00+00:00",
         ids: [
            {
               system_name: "Red Hat Bugzilla ID",
               text: "1978105",
            },
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         notes: [
            {
               category: "description",
               text: "Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. A heap buffer overflow was found in Exiv2 versions v0.27.3 and earlier. The heap overflow is triggered when Exiv2 is used to write metadata into a crafted image file. An attacker could potentially exploit the vulnerability to gain code execution, if they can trick the victim into running Exiv2 on a crafted image file. Note that this bug is only triggered when writing the metadata, which is a less frequently used Exiv2 operation than reading the metadata. For example, to trigger the bug in the Exiv2 command-line application, you need to add an extra command-line argument such as `insert`. The bug is fixed in version v0.27.4.",
               title: "Vulnerability description",
            },
            {
               category: "summary",
               text: "exiv2: Heap-based buffer overflow in Exiv2::Jp2Image::encodeJp2Header",
               title: "Vulnerability summary",
            },
            {
               category: "general",
               text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
               title: "CVSS score applicability",
            },
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            {
               category: "self",
               summary: "Canonical URL",
               url: "https://access.redhat.com/security/cve/CVE-2021-29464",
            },
            {
               category: "external",
               summary: "RHBZ#1978105",
               url: "https://bugzilla.redhat.com/show_bug.cgi?id=1978105",
            },
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               category: "external",
               summary: "https://www.cve.org/CVERecord?id=CVE-2021-29464",
               url: "https://www.cve.org/CVERecord?id=CVE-2021-29464",
            },
            {
               category: "external",
               summary: "https://nvd.nist.gov/vuln/detail/CVE-2021-29464",
               url: "https://nvd.nist.gov/vuln/detail/CVE-2021-29464",
            },
         ],
         release_date: "2021-05-01T00:00:00+00:00",
         remediations: [
            {
               category: "vendor_fix",
               date: "2021-11-09T18:14:35+00:00",
               details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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                  privilegesRequired: "NONE",
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         title: "exiv2: Heap-based buffer overflow in Exiv2::Jp2Image::encodeJp2Header",
      },
      {
         cve: "CVE-2021-29470",
         cwe: {
            id: "CWE-125",
            name: "Out-of-bounds Read",
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         discovery_date: "2021-04-23T00:00:00+00:00",
         ids: [
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               system_name: "Red Hat Bugzilla ID",
               text: "1953708",
            },
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         notes: [
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               category: "description",
               text: "A flaw was found in exiv2. An out-of-bounds read in the Exiv2::Jp2Image::encodeJp2Header function may allow a remote attacker to crash an application using exiv2 library. The highest threat from this vulnerability is to application availability.",
               title: "Vulnerability description",
            },
            {
               category: "summary",
               text: "exiv2: Out-of-bounds read in Exiv2::Jp2Image::encodeJp2Header",
               title: "Vulnerability summary",
            },
            {
               category: "general",
               text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
               title: "CVSS score applicability",
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               category: "self",
               summary: "Canonical URL",
               url: "https://access.redhat.com/security/cve/CVE-2021-29470",
            },
            {
               category: "external",
               summary: "RHBZ#1953708",
               url: "https://bugzilla.redhat.com/show_bug.cgi?id=1953708",
            },
            {
               category: "external",
               summary: "https://www.cve.org/CVERecord?id=CVE-2021-29470",
               url: "https://www.cve.org/CVERecord?id=CVE-2021-29470",
            },
            {
               category: "external",
               summary: "https://nvd.nist.gov/vuln/detail/CVE-2021-29470",
               url: "https://nvd.nist.gov/vuln/detail/CVE-2021-29470",
            },
            {
               category: "external",
               summary: "https://github.com/Exiv2/exiv2/security/advisories/GHSA-8949-hhfh-j7rj",
               url: "https://github.com/Exiv2/exiv2/security/advisories/GHSA-8949-hhfh-j7rj",
            },
         ],
         release_date: "2021-04-23T00:00:00+00:00",
         remediations: [
            {
               category: "vendor_fix",
               date: "2021-11-09T18:14:35+00:00",
               details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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                  baseScore: 7.5,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  version: "3.1",
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               details: "Moderate",
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         title: "exiv2: Out-of-bounds read in Exiv2::Jp2Image::encodeJp2Header",
      },
      {
         cve: "CVE-2021-29473",
         cwe: {
            id: "CWE-125",
            name: "Out-of-bounds Read",
         },
         discovery_date: "2021-04-26T00:00:00+00:00",
         ids: [
            {
               system_name: "Red Hat Bugzilla ID",
               text: "1954065",
            },
         ],
         notes: [
            {
               category: "description",
               text: "A flaw was found in exiv2. An out-of-bounds read in the Exiv2::Jp2Image::doWriteMetadata function may allow a remote attacker to crash an application using exiv2 library. The highest threat from this vulnerability is to application availability.",
               title: "Vulnerability description",
            },
            {
               category: "summary",
               text: "exiv2: Out-of-bounds read in Exiv2::Jp2Image::doWriteMetadata",
               title: "Vulnerability summary",
            },
            {
               category: "general",
               text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
               title: "CVSS score applicability",
            },
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         references: [
            {
               category: "self",
               summary: "Canonical URL",
               url: "https://access.redhat.com/security/cve/CVE-2021-29473",
            },
            {
               category: "external",
               summary: "RHBZ#1954065",
               url: "https://bugzilla.redhat.com/show_bug.cgi?id=1954065",
            },
            {
               category: "external",
               summary: "https://www.cve.org/CVERecord?id=CVE-2021-29473",
               url: "https://www.cve.org/CVERecord?id=CVE-2021-29473",
            },
            {
               category: "external",
               summary: "https://nvd.nist.gov/vuln/detail/CVE-2021-29473",
               url: "https://nvd.nist.gov/vuln/detail/CVE-2021-29473",
            },
            {
               category: "external",
               summary: "https://github.com/Exiv2/exiv2/security/advisories/GHSA-7569-phvm-vwc2",
               url: "https://github.com/Exiv2/exiv2/security/advisories/GHSA-7569-phvm-vwc2",
            },
         ],
         release_date: "2021-04-25T00:00:00+00:00",
         remediations: [
            {
               category: "vendor_fix",
               date: "2021-11-09T18:14:35+00:00",
               details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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                  attackVector: "NETWORK",
                  availabilityImpact: "HIGH",
                  baseScore: 7.5,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  version: "3.1",
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         title: "exiv2: Out-of-bounds read in Exiv2::Jp2Image::doWriteMetadata",
      },
      {
         cve: "CVE-2021-29623",
         cwe: {
            id: "CWE-908",
            name: "Use of Uninitialized Resource",
         },
         discovery_date: "2021-05-18T00:00:00+00:00",
         ids: [
            {
               system_name: "Red Hat Bugzilla ID",
               text: "1961650",
            },
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         notes: [
            {
               category: "description",
               text: "There's a flaw in exiv2's isWebPType() function. An attacker who submits a crafted file to be processed by an application linked with exiv2 could trigger an out-of-bounds read of unitialized memory, saving it to the stack. The great impact of this flaw is most likely to application availability with some potential impact to data confidentiality.",
               title: "Vulnerability description",
            },
            {
               category: "summary",
               text: "exiv2: Use of uninitialized memory in isWebPType() may lead to information leak",
               title: "Vulnerability summary",
            },
            {
               category: "other",
               text: "Red Hat Product Security has rated this flaw as Low Impact because although the out-of-bounds read could be triggered, it does not necessarily return the information to an attacker, and another vulnerability would likely need to be exploited in order to trigger an information leak to the attacker.\n\nThis flaw is out of support scope for Red Hat Enterprise Linux 6 and 7. To learn more about Red Hat Enterprise Linux support scopes, please see https://access.redhat.com/support/policy/updates/errata/",
               title: "Statement",
            },
            {
               category: "general",
               text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
               title: "CVSS score applicability",
            },
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         references: [
            {
               category: "self",
               summary: "Canonical URL",
               url: "https://access.redhat.com/security/cve/CVE-2021-29623",
            },
            {
               category: "external",
               summary: "RHBZ#1961650",
               url: "https://bugzilla.redhat.com/show_bug.cgi?id=1961650",
            },
            {
               category: "external",
               summary: "https://www.cve.org/CVERecord?id=CVE-2021-29623",
               url: "https://www.cve.org/CVERecord?id=CVE-2021-29623",
            },
            {
               category: "external",
               summary: "https://nvd.nist.gov/vuln/detail/CVE-2021-29623",
               url: "https://nvd.nist.gov/vuln/detail/CVE-2021-29623",
            },
            {
               category: "external",
               summary: "https://github.com/Exiv2/exiv2/security/advisories/GHSA-6253-qjwm-3q4v",
               url: "https://github.com/Exiv2/exiv2/security/advisories/GHSA-6253-qjwm-3q4v",
            },
         ],
         release_date: "2021-05-13T00:00:00+00:00",
         remediations: [
            {
               category: "vendor_fix",
               date: "2021-11-09T18:14:35+00:00",
               details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "LOW",
                  integrityImpact: "NONE",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L",
                  version: "3.1",
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         title: "exiv2: Use of uninitialized memory in isWebPType() may lead to information leak",
      },
      {
         cve: "CVE-2021-31292",
         cwe: {
            id: "CWE-125",
            name: "Out-of-bounds Read",
         },
         discovery_date: "2021-08-05T00:00:00+00:00",
         ids: [
            {
               system_name: "Red Hat Bugzilla ID",
               text: "1990330",
            },
         ],
         notes: [
            {
               category: "description",
               text: "A flaw was found in exiv2. A integer wraparound in the CrwMap:encode0x1810 function leads to memcpy call with a very large size allowing an attacker, who can provide a malicious image, to crash an application which uses the exiv2 library. The highest threat from this vulnerability is to service availability.",
               title: "Vulnerability description",
            },
            {
               category: "summary",
               text: "exiv2: Integer overflow in CrwMap:encode0x1810 leading to heap-based buffer overflow and DoS",
               title: "Vulnerability summary",
            },
            {
               category: "general",
               text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
               title: "CVSS score applicability",
            },
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            {
               category: "self",
               summary: "Canonical URL",
               url: "https://access.redhat.com/security/cve/CVE-2021-31292",
            },
            {
               category: "external",
               summary: "RHBZ#1990330",
               url: "https://bugzilla.redhat.com/show_bug.cgi?id=1990330",
            },
            {
               category: "external",
               summary: "https://www.cve.org/CVERecord?id=CVE-2021-31292",
               url: "https://www.cve.org/CVERecord?id=CVE-2021-31292",
            },
            {
               category: "external",
               summary: "https://nvd.nist.gov/vuln/detail/CVE-2021-31292",
               url: "https://nvd.nist.gov/vuln/detail/CVE-2021-31292",
            },
         ],
         release_date: "2021-07-26T00:00:00+00:00",
         remediations: [
            {
               category: "vendor_fix",
               date: "2021-11-09T18:14:35+00:00",
               details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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                  baseSeverity: "HIGH",
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  version: "3.1",
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         title: "exiv2: Integer overflow in CrwMap:encode0x1810 leading to heap-based buffer overflow and DoS",
      },
      {
         cve: "CVE-2021-32617",
         cwe: {
            id: "CWE-400",
            name: "Uncontrolled Resource Consumption",
         },
         discovery_date: "2021-05-17T00:00:00+00:00",
         ids: [
            {
               system_name: "Red Hat Bugzilla ID",
               text: "1961691",
            },
         ],
         notes: [
            {
               category: "description",
               text: "There's a flaw in the xmpsdk component shipped with exiv2. An attacker who is able to submit a crafted file to be processed by an application linked with the exiv2 library could cause an excessive consumption of resources, potentially leading to denial of service. The greatest impact of this flaw is to system availability.",
               title: "Vulnerability description",
            },
            {
               category: "summary",
               text: "exiv2: DoS due to quadratic complexity in ProcessUTF8Portion",
               title: "Vulnerability summary",
            },
            {
               category: "other",
               text: "Red Hat Product Security has marked the Impact of this flaw as Low because the denial of service caused by this flaw would not necessarily be persistent. Additionally, exploitation relies on parsing of arbitrary image files from untrusted sources, and the operation/command used to trigger it is not common amongst users according to the upstream advisory listed under \"References\" below.\n\nThis flaw is out of support scope for Red Hat Enterprise Linux 6 and 7. To learn more about Red Hat Enterprise Linux support scopes, please see https://access.redhat.com/support/policy/updates/errata",
               title: "Statement",
            },
            {
               category: "general",
               text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
               title: "CVSS score applicability",
            },
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         references: [
            {
               category: "self",
               summary: "Canonical URL",
               url: "https://access.redhat.com/security/cve/CVE-2021-32617",
            },
            {
               category: "external",
               summary: "RHBZ#1961691",
               url: "https://bugzilla.redhat.com/show_bug.cgi?id=1961691",
            },
            {
               category: "external",
               summary: "https://www.cve.org/CVERecord?id=CVE-2021-32617",
               url: "https://www.cve.org/CVERecord?id=CVE-2021-32617",
            },
            {
               category: "external",
               summary: "https://nvd.nist.gov/vuln/detail/CVE-2021-32617",
               url: "https://nvd.nist.gov/vuln/detail/CVE-2021-32617",
            },
            {
               category: "external",
               summary: "https://github.com/Exiv2/exiv2/security/advisories/GHSA-w8mv-g8qq-36mj",
               url: "https://github.com/Exiv2/exiv2/security/advisories/GHSA-w8mv-g8qq-36mj",
            },
         ],
         release_date: "2021-05-16T00:00:00+00:00",
         remediations: [
            {
               category: "vendor_fix",
               date: "2021-11-09T18:14:35+00:00",
               details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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                  attackVector: "LOCAL",
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                  baseScore: 6.2,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  version: "3.1",
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         title: "exiv2: DoS due to quadratic complexity in ProcessUTF8Portion",
      },
      {
         cve: "CVE-2021-37618",
         cwe: {
            id: "CWE-125",
            name: "Out-of-bounds Read",
         },
         discovery_date: "2021-08-09T00:00:00+00:00",
         ids: [
            {
               system_name: "Red Hat Bugzilla ID",
               text: "1992165",
            },
         ],
         notes: [
            {
               category: "description",
               text: "Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An out-of-bounds read was found in Exiv2 versions v0.27.4 and earlier. The out-of-bounds read is triggered when Exiv2 is used to print the metadata of a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service, if they can trick the victim into running Exiv2 on a crafted image file. Note that this bug is only triggered when printing the image ICC profile, which is a less frequently used Exiv2 operation that requires an extra command line option (`-p C`). The bug is fixed in version v0.27.5.",
               title: "Vulnerability description",
            },
            {
               category: "summary",
               text: "exiv2: Out-of-bounds read in Exiv2::Jp2Image::printStructure",
               title: "Vulnerability summary",
            },
            {
               category: "general",
               text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
               title: "CVSS score applicability",
            },
         ],
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         references: [
            {
               category: "self",
               summary: "Canonical URL",
               url: "https://access.redhat.com/security/cve/CVE-2021-37618",
            },
            {
               category: "external",
               summary: "RHBZ#1992165",
               url: "https://bugzilla.redhat.com/show_bug.cgi?id=1992165",
            },
            {
               category: "external",
               summary: "https://www.cve.org/CVERecord?id=CVE-2021-37618",
               url: "https://www.cve.org/CVERecord?id=CVE-2021-37618",
            },
            {
               category: "external",
               summary: "https://nvd.nist.gov/vuln/detail/CVE-2021-37618",
               url: "https://nvd.nist.gov/vuln/detail/CVE-2021-37618",
            },
         ],
         release_date: "2021-08-08T00:00:00+00:00",
         remediations: [
            {
               category: "vendor_fix",
               date: "2021-11-09T18:14:35+00:00",
               details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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                  scope: "UNCHANGED",
                  userInteraction: "REQUIRED",
                  vectorString: "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H",
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         title: "exiv2: Out-of-bounds read in Exiv2::Jp2Image::printStructure",
      },
      {
         cve: "CVE-2021-37619",
         cwe: {
            id: "CWE-125",
            name: "Out-of-bounds Read",
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         discovery_date: "2021-08-09T00:00:00+00:00",
         ids: [
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               system_name: "Red Hat Bugzilla ID",
               text: "1992174",
            },
         ],
         notes: [
            {
               category: "description",
               text: "Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An out-of-bounds read was found in Exiv2 versions v0.27.4 and earlier. The out-of-bounds read is triggered when Exiv2 is used to write metadata into a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service by crashing Exiv2, if they can trick the victim into running Exiv2 on a crafted image file. Note that this bug is only triggered when writing the metadata, which is a less frequently used Exiv2 operation than reading the metadata. For example, to trigger the bug in the Exiv2 command-line application, you need to add an extra command-line argument such as insert. The bug is fixed in version v0.27.5.",
               title: "Vulnerability description",
            },
            {
               category: "summary",
               text: "exiv2: Out-of-bounds read in Exiv2::Jp2Image::encodeJp2Header",
               title: "Vulnerability summary",
            },
            {
               category: "general",
               text: "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
               title: "CVSS score applicability",
            },
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         },
         references: [
            {
               category: "self",
               summary: "Canonical URL",
               url: "https://access.redhat.com/security/cve/CVE-2021-37619",
            },
            {
               category: "external",
               summary: "RHBZ#1992174",
               url: "https://bugzilla.redhat.com/show_bug.cgi?id=1992174",
            },
            {
               category: "external",
               summary: "https://www.cve.org/CVERecord?id=CVE-2021-37619",
               url: "https://www.cve.org/CVERecord?id=CVE-2021-37619",
            },
            {
               category: "external",
               summary: "https://nvd.nist.gov/vuln/detail/CVE-2021-37619",
               url: "https://nvd.nist.gov/vuln/detail/CVE-2021-37619",
            },
         ],
         release_date: "2021-08-08T00:00:00+00:00",
         remediations: [
            {
               category: "vendor_fix",
               date: "2021-11-09T18:14:35+00:00",
               details: "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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               restart_required: {
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               url: "https://access.redhat.com/errata/RHSA-2021:4173",
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         scores: [
            {
               cvss_v3: {
                  attackComplexity: "HIGH",
                  attackVector: "LOCAL",
                  availabilityImpact: "HIGH",
                  baseScore: 4.7,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "REQUIRED",
                  vectorString: "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  version: "3.1",
               },
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         ],
         threats: [
            {
               category: "impact",
               details: "Low",
            },
         ],
         title: "exiv2: Out-of-bounds read in Exiv2::Jp2Image::encodeJp2Header",
      },
   ],
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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