Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Red Hat / gnupg2 | affected 2.2.18 |
CWE
CWE-326
References
- https://usn.ubuntu.com/4516-1/
- 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
ADP enrichment
No English description supplied.