Out-of-bounds Write Affecting libcom_err-devel package, versions <0:1.42.9-19.amzn2


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
1.11% (62nd percentile)

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  • Snyk IDSNYK-AMZN2-LIBCOMERRDEVEL-1686233
  • published27 Sept 2021
  • disclosed24 Sept 2019

Introduced: 24 Sep 2019

CVE-2019-5094  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 libcom_err-devel to version 0:1.42.9-19.amzn2 or higher.
This issue was patched in ALAS2-2020-1509.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libcom_err-devel package and not the libcom_err-devel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1