Race Condition Affecting thunderbird package, versions <1:78.11.0+build1-0ubuntu0.20.04.2


Severity

Recommended
0.0
low
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.29% (21st percentile)

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  • Snyk IDSNYK-UBUNTU2004-THUNDERBIRD-1253523
  • published6 May 2021
  • disclosed24 Jun 2021

Introduced: 6 May 2021

CVE-2021-29948  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Ubuntu:20.04 thunderbird to version 1:78.11.0+build1-0ubuntu0.20.04.2 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 Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

Signatures are written to disk before and read during verification, which might be subject to a race condition when a malicious local process or user is replacing the file. This vulnerability affects Thunderbird < 78.10.

CVSS Base Scores

version 3.1