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SUSE-SU-2022:4240-1

Vulnerability from csaf_suse - Published: 2022-11-28 08:05 - Updated: 2022-11-28 08:05
Summary
Security update for sudo
Severity
Important
Notes
Title of the patch: Security update for sudo
Description of the patch: This update for sudo fixes the following issues: Security fixes: - CVE-2022-43995: Fixed a potential heap-based buffer over-read when entering a password of seven characters or fewer and using the crypt() password backend (bsc#1204986). Other: - Make sure SIGCHLD is not ignored when sudo is executed; fixes race condition (bsc#1203201). - Change sudo-ldap schema from ASCII to UTF8 (bsc#1197998).
Patchnames: SUSE-2022-4240,SUSE-OpenStack-Cloud-9-2022-4240,SUSE-OpenStack-Cloud-Crowbar-9-2022-4240,SUSE-SLE-SAP-12-SP4-2022-4240,SUSE-SLE-SERVER-12-SP3-BCL-2022-4240,SUSE-SLE-SERVER-12-SP4-LTSS-2022-4240
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Enterprise Server 12 SP3-BCL:sudo-1.8.20p2-3.33.1.x86_64
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP4-LTSS:sudo-1.8.20p2-3.33.1.aarch64
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP4-LTSS:sudo-1.8.20p2-3.33.1.ppc64le
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP4-LTSS:sudo-1.8.20p2-3.33.1.s390x
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP4-LTSS:sudo-1.8.20p2-3.33.1.x86_64
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP4:sudo-1.8.20p2-3.33.1.ppc64le
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP4:sudo-1.8.20p2-3.33.1.x86_64
Vendor Fix
Unresolved product id: SUSE OpenStack Cloud 9:sudo-1.8.20p2-3.33.1.x86_64
Vendor Fix
Unresolved product id: SUSE OpenStack Cloud Crowbar 9:sudo-1.8.20p2-3.33.1.x86_64
Vendor Fix
Threats
Impact important

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  "vulnerabilities": [
    {
      "cve": "CVE-2022-43995",
      "ids": [
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          "text": "https://www.suse.com/security/cve/CVE-2022-43995"
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          "category": "general",
          "text": "Sudo 1.8.0 through 1.9.12, with the crypt() password backend, contains a plugins/sudoers/auth/passwd.c array-out-of-bounds error that can result in a heap-based buffer over-read. This can be triggered by arbitrary local users with access to Sudo by entering a password of seven characters or fewer. The impact could vary depending on the system libraries, compiler, and processor architecture.",
          "title": "CVE description"
        }
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        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Server 12 SP3-BCL:sudo-1.8.20p2-3.33.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP4-LTSS:sudo-1.8.20p2-3.33.1.aarch64",
            "SUSE Linux Enterprise Server 12 SP4-LTSS:sudo-1.8.20p2-3.33.1.ppc64le",
            "SUSE Linux Enterprise Server 12 SP4-LTSS:sudo-1.8.20p2-3.33.1.s390x",
            "SUSE Linux Enterprise Server 12 SP4-LTSS:sudo-1.8.20p2-3.33.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP4:sudo-1.8.20p2-3.33.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP4:sudo-1.8.20p2-3.33.1.x86_64",
            "SUSE OpenStack Cloud 9:sudo-1.8.20p2-3.33.1.x86_64",
            "SUSE OpenStack Cloud Crowbar 9:sudo-1.8.20p2-3.33.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2022-11-28T08:05:41Z",
          "details": "important"
        }
      ],
      "title": "CVE-2022-43995"
    }
  ]
}



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Taxonomy of the tags.


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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