CVE-2021-29950 — Cleartext Storage of Sensitive Info in Mozilla Thunderbird

CWE-312 — Cleartext Storage of Sensitive InfoCWE-522 — Insufficiently Protected Credentials8 documents7 sources
Severity
7.5HIGHNVD
OSV4.3
EPSS
0.1%
top 67.43%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla ThunderbirdDebian ThunderbirdMozilla Firefox
Timeline
PublishedJun 24
Latest updateMay 24

Description

Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption, signing or key import task. If the task runs into a failure, the secret key may remain in memory in its unprotected state. This vulnerability affects Thunderbird < 78.8.1.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages6 packages

▶debiandebian/thunderbird< thunderbird 1:78.9.0-1 (bookworm)
▶CVEListV5mozilla/thunderbirdunspecified — 78.8.1
▶NVDmozilla/thunderbird< 78.8.1
▶Debianmozilla/thunderbird< 1:78.9.0-1+3
▶Ubuntumozilla/thunderbird< 1:78.8.1+build1-0ubuntu0.20.04.1

🔴Vulnerability Details

3
GHSA
GHSA-4ghf-pq62-2jfh: Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption, signing or key import task↗2022-05-24
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OSV
CVE-2021-29950: Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption, signing or key import task↗2021-06-24
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OSV
thunderbird vulnerabilities↗2021-05-06
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📋Vendor Advisories

4
Ubuntu
Thunderbird vulnerabilities↗2021-05-06
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Red Hat
Mozilla: Logic issue potentially leaves key material unlocked↗2021-03-08
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Debian
CVE-2021-29950: thunderbird - Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption, ...↗2021
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Mozilla
Mozilla Foundation Security Advisory 2021-17: CVE-2021-29950↗
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