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Last updated: 4/23/2014

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National Cyber Awareness System

Vulnerability Summary for CVE-2009-0361

Original release date: 02/13/2009
Last revised: 03/07/2011
Source: US-CERT/NIST

Overview

Russ Allbery pam-krb5 before 3.13, as used by libpam-heimdal, su in Solaris 10, and other software, does not properly handle calls to pam_setcred when running setuid, which allows local users to overwrite and change the ownership of arbitrary files by setting the KRB5CCNAME environment variable, and then launching a setuid application that performs certain pam_setcred operations.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.6 (MEDIUM) (AV:L/AC:L/AU:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Provides unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (02/13/2009)
Not vulnerable. This issue did not affect the versions of the pam_krb5 package, as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.

References to Advisories, Solutions, and Tools

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External Source: GENTOO
Name: GLSA-200903-39
External Source: VUPEN
Name: ADV-2009-0979
External Source: SECTRACK
Name: 1021711
External Source: MISC
Name: http://www.eyrie.org/~eagle/software/pam-krb5/security/2009-02-11.html
External Source: SUNALERT
Name: 252767
External Source: VUPEN
Name: ADV-2009-0426
External Source: SECUNIA
Name: 33917
Type: Advisory
External Source: BID
Name: 33741
External Source: UBUNTU
Name: USN-719-1
External Source: VUPEN
Name: ADV-2009-0410
External Source: BUGTRAQ
Name: 20090211 pam-krb5 security advisory (3.12 and earlier)
External Source: SECUNIA
Name: 34260
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2009-070.htm
External Source: OVAL
Name: oval:org.mitre.oval:def:5521
External Source: DEBIAN
Name: DSA-1721
External Source: OVAL
Name: oval:org.mitre.oval:def:5403
External Source: DEBIAN
Name: DSA-1722
External Source: SECUNIA
Name: 33914
Type: Advisory
External Source: SECUNIA
Name: 34449
External Source: SECUNIA
Name: 33918
Type: Advisory

References to Check Content

Identifier: oval:org.mitre.oval:def:5403
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5
Identifier: oval:org.mitre.oval:def:5521
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

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