Untrusted Search Path Affecting thunderbird package, versions <0:78.9.1-1.el8_3


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.07% (33rd percentile)

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  • Snyk IDSNYK-CENTOS8-THUNDERBIRD-2092209
  • published26 Jul 2021
  • disclosed8 Apr 2021

Introduced: 8 Apr 2021

CVE-2021-29949  (opens in a new tab)
CWE-426  (opens in a new tab)

How to fix?

Upgrade Centos:8 thunderbird to version 0:78.9.1-1.el8_3 or higher.

NVD Description

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

When loading the shared library that provides the OTR protocol implementation, Thunderbird will initially attempt to open it using a filename that isn't distributed by Thunderbird. If a computer has already been infected with a malicious library of the alternative filename, and the malicious library has been copied to a directory that is contained in the search path for executable libraries, then Thunderbird will load the incorrect library. This vulnerability affects Thunderbird < 78.9.1.

CVSS Scores

version 3.1