Buffer Overflow The advisory has been revoked - it doesn't affect any version of package gnupg2 (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU2004-GNUPG2-610973
- published10 Sept 2020
- disclosed3 Sept 2020
Introduced: 3 Sep 2020
CVE-2020-25125 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:20.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream gnupg2 package and not the gnupg2 package as distributed by Ubuntu.
GnuPG 2.2.21 and 2.2.22 (and Gpg4win 3.1.12) has an array overflow, leading to a crash or possibly unspecified other impact, when a victim imports an attacker's OpenPGP key, and this key has AEAD preferences. The overflow is caused by a g10/key-check.c error. NOTE: GnuPG 2.3.x is unaffected. GnuPG 2.2.23 is a fixed version.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2020-25125
- https://bugzilla.opensuse.org/show_bug.cgi?id=1176034
- https://dev.gnupg.org/rG8ec9573e57866dda5efb4677d4454161517484bc
- https://dev.gnupg.org/T5050
- https://lists.gnupg.org/pipermail/gnupg-announce/2020q3/000448.html
- http://www.openwall.com/lists/oss-security/2020/09/03/4
- http://www.openwall.com/lists/oss-security/2020/09/03/5