CVE-2020-25125 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.8 HIGH
Vector:  CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H


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Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.openwall.com/lists/oss-security/2020/09/03/4 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2020/09/03/5 Mailing List  Third Party Advisory 
https://bugzilla.opensuse.org/show_bug.cgi?id=1176034 Exploit  Issue Tracking  Third Party Advisory 
https://dev.gnupg.org/T5050 Mailing List 
https://dev.gnupg.org/rG8ec9573e57866dda5efb4677d4454161517484bc Patch  Vendor Advisory 
https://lists.gnupg.org/pipermail/gnupg-announce/2020q3/000448.html Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') cwe source acceptance level NIST  

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-25125
NVD Published Date:
09/03/2020
NVD Last Modified:
09/11/2020
Source:
MITRE