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FreeBSD: VID-AD3451B9-23E0-11EA-8B36-F1925A339A82 (CVE-2019-5094): e2fsprogs -- maliciously corrupted file systems can trigger buffer overruns in the quota code used by e2fsck

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FreeBSD: VID-AD3451B9-23E0-11EA-8B36-F1925A339A82 (CVE-2019-5094): e2fsprogs -- maliciously corrupted file systems can trigger buffer overruns in the quota code used by e2fsck

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
09/23/2019
Created
12/24/2019
Added
12/22/2019
Modified
12/22/2019

Description

An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability.

Solution(s)

  • freebsd-upgrade-package-e2fsprogs

References

  • USN-4142-1
  • USN-4142-2
  • CVE-2019-5094

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