rhsa-2025:0884
Vulnerability from csaf_redhat
Published
2025-02-03 01:05
Modified
2025-02-19 23:27
Summary
Red Hat Security Advisory: rsync security update

Notes

Topic
An update for rsync is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support. 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
The rsync utility enables the users to copy and synchronize files locally or across a network. Synchronization with rsync is fast because rsync only sends the differences in files over the network instead of sending whole files. The rsync utility is also used as a mirroring tool. Security Fix(es): * rsync: Info Leak via Uninitialized Stack Contents (CVE-2024-12085) 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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        "text": "An update for rsync is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support.\n\nRed 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.",
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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Pedro Gallegos",
            "Simon Scannell",
            "Jasiel Spelman"
          ],
          "organization": "Google"
        }
      ],
      "cve": "CVE-2024-12085",
      "cwe": {
        "id": "CWE-119",
        "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
      },
      "discovery_date": "2024-12-05T12:06:36.594000+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2330539"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in rsync which could be triggered when rsync compares file checksums. This flaw allows an attacker to manipulate the checksum length (s2length) to cause a comparison between a checksum and uninitialized memory and leak one byte of uninitialized stack data at a time.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "rsync: Info Leak via Uninitialized Stack Contents",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability is rated as having Important impact as it helps bypass Address Space Layout Randomization (ASLR). ASLR is a memory protection system which makes the exploitation of memory corruption vulnerabilities more difficult.",
          "title": "Statement"
        },
        {
          "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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          "summary": "Canonical URL",
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        {
          "category": "external",
          "summary": "RHBZ#2330539",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2330539"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2024-12085",
          "url": "https://www.cve.org/CVERecord?id=CVE-2024-12085"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-12085",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-12085"
        },
        {
          "category": "external",
          "summary": "https://kb.cert.org/vuls/id/952657",
          "url": "https://kb.cert.org/vuls/id/952657"
        }
      ],
      "release_date": "2025-01-14T15:06:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-02-03T01:05:44+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",
          "product_ids": [
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            "BaseOS-8.2.0.Z.AUS:rsync-debugsource-0:3.1.3-7.el8_2.3.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2025:0884"
        },
        {
          "category": "workaround",
          "details": "Seeing as this vulnerability relies on information leakage coming from the presence of data in the uninitialized memory of the `sum2` buffer, a potential mitigation involves compiling rsync with the `-ftrivial-auto-var-init=zero` option set. This mitigates the issue because it initializes the `sum2` variable\u0027s memory with zeroes to prevent uninitialized memory disclosure.",
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        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "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",
            "version": "3.1"
          },
          "products": [
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            "BaseOS-8.2.0.Z.AUS:rsync-debuginfo-0:3.1.3-7.el8_2.3.x86_64",
            "BaseOS-8.2.0.Z.AUS:rsync-debugsource-0:3.1.3-7.el8_2.3.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "rsync: Info Leak via Uninitialized Stack Contents"
    }
  ]
}


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