CVE-2020-25125
Published: August 31, 2023Last modified: August 31, 2023
Description
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | gnupg | Not affected (2.2.40-r0) |
| Stream | gnupg | Not affected (2.4.3-r1) |
References
- http://www.openwall.com/lists/oss-security/2020/09/03/4
- http://www.openwall.com/lists/oss-security/2020/09/03/5
- https://bugzilla.opensuse.org/show_bug.cgi?id=1176034
- https://dev.gnupg.org/T5050
- https://dev.gnupg.org/rG8ec9573e57866dda5efb4677d4454161517484bc
- https://lists.gnupg.org/pipermail/gnupg-announce/2020q3/000448.html