CVE-2019-14855

State: Published
Severity: 5.3 Medium
Published: Mar 20, 2020
Updated: Aug 5, 2024
Reserved: Aug 10, 2019

Description

A flaw was found in the way certificate signatures could be forged using collisions found in the SHA-1 algorithm. An attacker could use this weakness to create forged certificate signatures. This issue affects GnuPG versions before 2.2.18.

Scores

CVSS	Score	Vector	Source
3.0	5.3 Medium	CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N	redhat

Weaknesses

CWE-326

Affected Products

Product	Versions
gnupg2Red Hat	2.2.18Affected

References

USN-4516-1vendor-advisory
https://rwc.iacr.org/2020/slides/Leurent.pdf
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14855
https://lists.gnupg.org/pipermail/gnupg-announce/2019q4/000442.html
https://dev.gnupg.org/T4755

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