rhsa-2024_2396
Vulnerability from csaf_redhat
Published
2024-04-30 10:42
Modified
2024-11-06 05:41
Summary
Red Hat Security Advisory: squashfs-tools security update

Notes

Topic
An update for squashfs-tools is now available for Red Hat Enterprise Linux 9. 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
SquashFS is a highly compressed read-only file system for Linux. These packages contain the utilities for manipulating squashfs file systems. Security Fix(es): * squashfs-tools: unvalidated filepaths allow writing outside of destination (CVE-2021-40153) * squashfs-tools: possible Directory Traversal via symbolic link (CVE-2021-41072) 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 9.4 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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  "vulnerabilities": [
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      "cve": "CVE-2021-40153",
      "cwe": {
        "id": "CWE-22",
        "name": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
      },
      "discovery_date": "2021-08-25T00:00:00+00:00",
      "ids": [
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          "system_name": "Red Hat Bugzilla ID",
          "text": "1998621"
        }
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Squashfs-tools, where it is vulnerable to attacks similar to zip-slip. During extraction, a file can escape the destination directory either via the \u0027../\u0027 string to access the parent directory or via symlinks. This flaw allows a specially crafted squashfs archive to install or overwrite files outside of the destination directory.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squashfs-tools: unvalidated filepaths allow writing outside of destination",
          "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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        ]
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        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-40153"
        },
        {
          "category": "external",
          "summary": "RHBZ#1998621",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1998621"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-40153",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-40153"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-40153",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-40153"
        }
      ],
      "release_date": "2019-09-10T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-04-30T10:42:19+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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      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H",
            "version": "3.1"
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      "threats": [
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          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "squashfs-tools: unvalidated filepaths allow writing outside of destination"
    },
    {
      "cve": "CVE-2021-41072",
      "cwe": {
        "id": "CWE-59",
        "name": "Improper Link Resolution Before File Access (\u0027Link Following\u0027)"
      },
      "discovery_date": "2021-09-16T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2004957"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A directory traversal flaw was found in squashfs-tools. During extraction, a file can escape the destination directory by using a symbolic link, and a regular file with an identical name. This flaw allows a specially crafted squashfs archive to install or overwrite files outside of the destination directory.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squashfs-tools: possible Directory Traversal via symbolic link",
          "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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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-41072"
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        {
          "category": "external",
          "summary": "RHBZ#2004957",
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          "category": "external",
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          "url": "https://www.cve.org/CVERecord?id=CVE-2021-41072"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-41072",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-41072"
        }
      ],
      "release_date": "2021-09-14T00:00:00+00:00",
      "remediations": [
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            "attackVector": "NETWORK",
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            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
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            "scope": "UNCHANGED",
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          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "squashfs-tools: possible Directory Traversal via symbolic link"
    }
  ]
}


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