rhsa-2021_4241
Vulnerability from csaf_redhat
Published
2021-11-09 17:36
Modified
2024-11-22 17:07
Summary
Red Hat Security Advisory: libtiff security and bug fix update
Notes
Topic
An update for libtiff 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
The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.
Security Fix(es):
* libtiff: Integer overflow in tif_getimage.c (CVE-2020-35523)
* libtiff: Heap-based buffer overflow in TIFF2PDF tool (CVE-2020-35524)
* libtiff: Memory allocation failure in tiff2rgba (CVE-2020-35521)
* libtiff: Memory allocation failure in tiff2rgba (CVE-2020-35522)
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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{
"category": "impact",
"details": "Low"
}
],
"title": "libtiff: Memory allocation failure in tiff2rgba"
},
{
"cve": "CVE-2020-35522",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2020-12-14T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1932037"
}
],
"notes": [
{
"category": "description",
"text": "In LibTIFF, there is a memory malloc failure in tif_pixarlog.c. A crafted TIFF document can lead to an abort, resulting in a remote denial of service attack.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "libtiff: Memory allocation failure in tiff2rgba",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2020-35522"
},
{
"category": "external",
"summary": "RHBZ#1932037",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1932037"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2020-35522",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-35522"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-35522",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-35522"
}
],
"release_date": "2020-12-14T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2021-11-09T17:36:56+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\n\nAll running applications linked against libtiff must be restarted for this update to take effect.",
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}
],
"scores": [
{
"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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{
"category": "impact",
"details": "Low"
}
],
"title": "libtiff: Memory allocation failure in tiff2rgba"
},
{
"cve": "CVE-2020-35523",
"cwe": {
"id": "CWE-190",
"name": "Integer Overflow or Wraparound"
},
"discovery_date": "2020-12-14T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1932040"
}
],
"notes": [
{
"category": "description",
"text": "An integer overflow flaw was found in libtiff that exists in the tif_getimage.c file. This flaw allows an attacker to inject and execute arbitrary code when a user opens a crafted TIFF file. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "libtiff: Integer overflow in tif_getimage.c",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s 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-2020-35523"
},
{
"category": "external",
"summary": "RHBZ#1932040",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1932040"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2020-35523",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-35523"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-35523",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-35523"
},
{
"category": "external",
"summary": "https://gitlab.com/libtiff/libtiff/-/commit/c8d613ef497058fe653c467fc84c70a62a4a71b2",
"url": "https://gitlab.com/libtiff/libtiff/-/commit/c8d613ef497058fe653c467fc84c70a62a4a71b2"
},
{
"category": "external",
"summary": "https://gitlab.com/libtiff/libtiff/-/merge_requests/160",
"url": "https://gitlab.com/libtiff/libtiff/-/merge_requests/160"
}
],
"release_date": "2020-12-14T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2021-11-09T17:36:56+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\n\nAll running applications linked against libtiff must be restarted for this update to take effect.",
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{
"cvss_v3": {
"attackComplexity": "LOW",
"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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{
"category": "impact",
"details": "Moderate"
}
],
"title": "libtiff: Integer overflow in tif_getimage.c"
},
{
"cve": "CVE-2020-35524",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"discovery_date": "2020-12-14T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1932044"
}
],
"notes": [
{
"category": "description",
"text": "A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff\u0027s TIFF2PDF tool. A specially crafted TIFF file can lead to arbitrary code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "libtiff: Heap-based buffer overflow in TIFF2PDF tool",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s 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-2020-35524"
},
{
"category": "external",
"summary": "RHBZ#1932044",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1932044"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2020-35524",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-35524"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-35524",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-35524"
},
{
"category": "external",
"summary": "https://gitlab.com/libtiff/libtiff/-/merge_requests/159",
"url": "https://gitlab.com/libtiff/libtiff/-/merge_requests/159"
},
{
"category": "external",
"summary": "https://gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22",
"url": "https://gitlab.com/rzkn/libtiff/-/commit/7be2e452ddcf6d7abca88f41d3761e6edab72b22"
}
],
"release_date": "2020-12-14T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2021-11-09T17:36:56+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\n\nAll running applications linked against libtiff must be restarted for this update to take effect.",
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{
"cvss_v3": {
"attackComplexity": "LOW",
"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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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "libtiff: Heap-based buffer overflow in TIFF2PDF tool"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.