Use After Free Affecting bsdtar package, versions <0:3.3.2-7.el8


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
4.45% (91st percentile)

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  • Snyk IDSNYK-CENTOS8-BSDTAR-2015754
  • published26 Jul 2021
  • disclosed20 Nov 2018

Introduced: 20 Nov 2018

CVE-2018-1000878  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:8 bsdtar to version 0:3.3.2-7.el8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bsdtar package and not the bsdtar package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

libarchive version commit 416694915449219d505531b1096384f3237dd6cc onwards (release v3.1.0 onwards) contains a CWE-416: Use After Free vulnerability in RAR decoder - libarchive/archive_read_support_format_rar.c that can result in Crash/DoS - it is unknown if RCE is possible. This attack appear to be exploitable via the victim must open a specially crafted RAR archive.

References

CVSS Base Scores

version 3.1