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Last updated: 4/20/2014

CVE Publication rate: 19.5

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National Cyber Awareness System

Vulnerability Summary for CVE-2010-0393

Original release date: 03/05/2010
Last revised: 05/14/2013
Source: US-CERT/NIST

Overview

The _cupsGetlang function, as used by lppasswd.c in lppasswd in CUPS 1.2.2, 1.3.7, 1.3.9, and 1.4.1, relies on an environment variable to determine the file that provides localized message strings, which allows local users to gain privileges via a file that contains crafted localization data with format string specifiers.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.9 (HIGH) (AV:L/AC:M/AU:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (03/09/2010)
This issue did not affected Red Hat Enterprise Linux 3 and 4 due to the lack of localization in lppasswd as provided in those releases. The affected code is present in Red Hat Enterprise Linux 5, however lppasswd is not shipped setuid so is not vulnerable to this issue. If a user were to enable the setuid bit on lppasswd, the impact would only be a crash of lppasswd due to use of FORTIFY_SOURCE protections. Therefore, there are no plans to correct this issue in Red Hat Enterprise Linux 5.

References to Advisories, Solutions, and Tools

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External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=558460
External Source: MANDRIVA
Name: MDVSA-2010:073
External Source: APPLE
Name: APPLE-SA-2010-03-29-1
External Source: MANDRIVA
Name: MDVSA-2010:072
External Source: BID
Name: 38524
External Source: CONFIRM
Name: http://support.apple.com/kb/HT4077
External Source: MISC
Name: http://www.cups.org/str.php?L3482
External Source: GENTOO
Name: GLSA-201207-10
External Source: UBUNTU
Name: USN-906-1

Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)