rhsa-2022_1354
Vulnerability from csaf_redhat
Published
2022-04-13 14:31
Modified
2024-11-22 17:39
Summary
Red Hat Security Advisory: rh-dotnet31-curl security update

Notes

Topic
An update for rh-dotnet31-curl is now available for .NET Core on Red Hat Enterprise Linux. 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
.NET Core is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. Security Fix(es): * curl: Leak of authentication credentials in URL via automatic Referer (CVE-2021-22876) * curl: Bad connection reuse due to flawed path name checks (CVE-2021-22924) * curl: Requirement to use TLS not properly enforced for IMAP, POP3, and FTP protocols (CVE-2021-22946) * curl: Server responses received before STARTTLS processed after TLS handshake (CVE-2021-22947) 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.
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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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "the Curl project"
          ]
        },
        {
          "names": [
            "Viktor Szakats"
          ],
          "summary": "Acknowledged by upstream."
        }
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      "cve": "CVE-2021-22876",
      "cwe": {
        "id": "CWE-200",
        "name": "Exposure of Sensitive Information to an Unauthorized Actor"
      },
      "discovery_date": "2021-03-22T00:00:00+00:00",
      "ids": [
        {
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          "text": "1941964"
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      "notes": [
        {
          "category": "description",
          "text": "It was discovered that libcurl did not remove authentication credentials from URLs when automatically populating the Referer HTTP request header while handling HTTP redirects. This could lead to exposure of the credentials to the server to which requests were redirected.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "curl: Leak of authentication credentials in URL via automatic Referer",
          "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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          "date": "2022-04-13T14:31:31+00:00",
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
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          "details": "Moderate"
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      ],
      "title": "curl: Requirement to use TLS not properly enforced for IMAP, POP3, and FTP protocols"
    },
    {
      "cve": "CVE-2021-22947",
      "cwe": {
        "id": "CWE-319",
        "name": "Cleartext Transmission of Sensitive Information"
      },
      "discovery_date": "2021-09-10T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2003191"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in curl. The flaw lies in how curl handles cached or pipelined responses that it receives from either a IMAP, POP3, SMTP or FTP server before the TLS upgrade using STARTTLS. In such a scenario curl even after upgrading to TLS would trust these cached responses treating them as valid and authenticated and use them. An attacker could potentially use this flaw to carry out a Man-In-The-Middle attack. The highest threat from this vulnerability is to data confidentiality.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "curl: Server responses received before STARTTLS processed after TLS handshake",
          "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": [
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-22947"
        },
        {
          "category": "external",
          "summary": "RHBZ#2003191",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2003191"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-22947",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-22947"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-22947",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-22947"
        },
        {
          "category": "external",
          "summary": "https://curl.se/docs/CVE-2021-22947.html",
          "url": "https://curl.se/docs/CVE-2021-22947.html"
        }
      ],
      "release_date": "2021-09-15T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2022-04-13T14:31:31+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": "HIGH",
            "integrityImpact": "NONE",
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            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
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      "threats": [
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          "category": "impact",
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      ],
      "title": "curl: Server responses received before STARTTLS processed after TLS handshake"
    }
  ]
}


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