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Last updated: 8/21/2014 2:23:16 AM

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Vulnerability Summary for CVE-2003-0255

Original release date: 05/27/2003
Last revised: 09/10/2008
Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 10.0 (HIGH) (AV:N/AC:L/Au:N/C:C/I:C/A:C) (legend)
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: XF
Name: gnupg-invalid-key-acceptance(11930)
External Source: BID
Name: 7497
External Source: BUGTRAQ
Name: 20030522 [slackware-security] GnuPG key validation fix (SSA:2003-141-04)
US-CERT Vulnerability Note: CERT-VN
Name: VU#397604
External Source: ENGARDE
Name: ESA-20030515-016
External Source: REDHAT
Name: RHSA-2003:176
External Source: REDHAT
Name: RHSA-2003:175
Type: Advisory; Patch Information
External Source: MANDRAKE
Name: MDKSA-2003:061
External Source: ENGARDE
Name: 20030515-016
External Source: MISC
Name: http://www.linuxsecurity.com/advisories/gentoo_advisory-3266.html
External Source: BUGTRAQ
Name: 20030516 [OpenPKG-SA-2003.029] OpenPKG Security Advisory (gnupg)
External Source: CONECTIVA
Name: CLA-2003:694
US-CERT Vulnerability Note: OVAL
Name: oval:org.mitre.oval:def:135
Type: Tool Signature
External Source: OSVDB
Name: 4947
External Source: BUGTRAQ
Name: 20030504 Key validity bug in GnuPG 1.2.1 and earlier
Type: Advisory; Patch Information
External Source: TURBO
Name: TLSA200334

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

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Technical Details

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