Arbitrary Code Injection Affecting thunderbird package, versions <1:102.3.0-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.1% (45th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-THUNDERBIRD-3028966
  • published21 Sept 2022
  • disclosed22 Dec 2022

Introduced: 21 Sep 2022

CVE-2022-40958  (opens in a new tab)
CWE-74  (opens in a new tab)

How to fix?

Upgrade Debian:unstable thunderbird to version 1:102.3.0-1 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 Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

By injecting a cookie with certain special characters, an attacker on a shared subdomain which is not a secure context could set and thus overwrite cookies from a secure context, leading to session fixation and other attacks. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.

CVSS Scores

version 3.1