rhsa-2022_7283
Vulnerability from csaf_redhat
Published
2022-11-01 14:20
Modified
2024-11-22 20:21
Summary
Red Hat Security Advisory: libksba security update

Notes

Topic
An update for libksba is now available for Red Hat Enterprise Linux 8.2 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. 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
KSBA (pronounced Kasbah) is a library to make X.509 certificates as well as the CMS easily accessible by other applications. Both specifications are building blocks of S/MIME and TLS. Security Fix(es): * libksba: integer overflow may lead to remote code execution (CVE-2022-3515) 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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        "product_reference": "libksba-debuginfo-0:1.3.5-8.el8_2.x86_64",
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        "full_product_name": {
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        "product_reference": "libksba-debugsource-0:1.3.5-8.el8_2.i686",
        "relates_to_product_reference": "BaseOS-8.2.0.Z.TUS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libksba-debugsource-0:1.3.5-8.el8_2.x86_64 as a component of Red Hat Enterprise Linux BaseOS TUS (v. 8.2)",
          "product_id": "BaseOS-8.2.0.Z.TUS:libksba-debugsource-0:1.3.5-8.el8_2.x86_64"
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        "product_reference": "libksba-debugsource-0:1.3.5-8.el8_2.x86_64",
        "relates_to_product_reference": "BaseOS-8.2.0.Z.TUS"
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  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Anonymous"
          ],
          "organization": "Trend Micro Zero Day Initiative",
          "summary": "Acknowledged by upstream."
        }
      ],
      "cve": "CVE-2022-3515",
      "cwe": {
        "id": "CWE-190",
        "name": "Integer Overflow or Wraparound"
      },
      "discovery_date": "2022-10-18T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2135610"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "libksba: integer overflow may lead to remote code execution",
          "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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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2022-3515"
        },
        {
          "category": "external",
          "summary": "RHBZ#2135610",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2135610"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2022-3515",
          "url": "https://www.cve.org/CVERecord?id=CVE-2022-3515"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-3515",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-3515"
        },
        {
          "category": "external",
          "summary": "https://www.gnupg.org/blog/20221017-pepe-left-the-ksba.html",
          "url": "https://www.gnupg.org/blog/20221017-pepe-left-the-ksba.html"
        }
      ],
      "release_date": "2022-10-17T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2022-11-01T14:20:29+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",
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            "baseScore": 8.6,
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            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "libksba: integer overflow may lead to remote code execution"
    }
  ]
}


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