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Last updated: 5/24/2016 9:19:14 PM

CVE Publication rate: 20.5

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Vulnerability Summary for CVE-2003-0255

Original release date: 05/27/2003
Last revised: 09/10/2008


The key validation code in GnuPG before 1.2.2 does not properly determine the validity of keys with multiple user IDs and assigns the greatest validity of the most valid user ID, which prevents GnuPG from warning the encrypting user when a user ID does not have a trusted path.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 10.0 HIGH
Impact Subscore: 10.0
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: BID
Name: 7497
External Source: TURBO
Name: TLSA200334
External Source: MANDRAKE
Name: MDKSA-2003:061
External Source: MISC
Name: http://www.linuxsecurity.com/advisories/gentoo_advisory-3266.html
External Source: ENGARDE
Name: 20030515-016
External Source: ENGARDE
Name: ESA-20030515-016
External Source: CONECTIVA
Name: CLA-2003:694
External Source: BUGTRAQ
Name: 20030516 [OpenPKG-SA-2003.029] OpenPKG Security Advisory (gnupg)
External Source: REDHAT
Name: RHSA-2003:176
External Source: BUGTRAQ
Name: 20030522 [slackware-security] GnuPG key validation fix (SSA:2003-141-04)
External Source: XF
Name: gnupg-invalid-key-acceptance(11930)
US-CERT Vulnerability Note: OVAL
Name: oval:org.mitre.oval:def:135
Type: Tool Signature
US-CERT Vulnerability Note: CERT-VN
Name: VU#397604
External Source: BUGTRAQ
Name: 20030504 Key validity bug in GnuPG 1.2.1 and earlier
Type: Advisory; Patch Information
External Source: REDHAT
Name: RHSA-2003:175
Type: Advisory; Patch Information
External Source: OSVDB
Name: 4947

References to Check Content

Identifier: oval:org.mitre.oval:def:135
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Vulnerable software and versions

+ Configuration 1
+ OR
cpe:/a:gnu:privacy_guard:1.2.1 and previous versions

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)