suse-su-2023:4085-1
Vulnerability from csaf_suse
Published
2023-10-16 09:32
Modified
2023-10-16 09:32
Summary
Security update for grub2

Notes

Title of the patch
Security update for grub2
Description of the patch
This update for grub2 fixes the following issues: Security fixes: - CVE-2023-4692: Fixed an out-of-bounds write at fs/ntfs.c which may lead to unsigned code execution. (bsc#1215935) - CVE-2023-4693: Fixed an out-of-bounds read at fs/ntfs.c which may lead to leak sensitive information. (bsc#1215936) Other fixes: - Fix 'command not found' error of grub2-once (bsc#1204563, bsc#1215382)
Patchnames
SUSE-2023-4085,SUSE-SLE-SERVER-12-SP5-2023-4085
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).


To clipboard 

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  "vulnerabilities": [
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      "cve": "CVE-2023-4692",
      "ids": [
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          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-4692"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An out-of-bounds write flaw was found in grub2\u0027s NTFS filesystem driver. This issue may allow an attacker to present a specially crafted NTFS filesystem image, leading to grub\u0027s heap metadata corruption. In some circumstances, the attack may also corrupt the UEFI firmware heap metadata. As a result, arbitrary code execution and secure boot protection bypass may be achieved.",
          "title": "CVE description"
        }
      ],
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          "title": "CVE description"
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      ],
      "threats": [
        {
          "category": "impact",
          "date": "2023-10-16T09:32:02Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2023-4693"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.