CVE-2019-14855

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.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-24-284-16

https://usn.ubuntu.com/4516-1/

https://rwc.iacr.org/2020/slides/Leurent.pdf

https://lists.gnupg.org/pipermail/gnupg-announce/2019q4/000442.html

https://dev.gnupg.org/T4755

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14855

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3