Vulnerability CVE-2009-0361
Published: 2009-02-13   Modified: 2012-02-13

Description:
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.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
pam-krb5 security advisory (3.12 and earlier)
Russ Allbery
16.02.2009

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.6/10
6.4/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Eyrie -> Pam-krb5 

 References:
http://security.gentoo.org/glsa/glsa-200903-39.xml
http://securitytracker.com/id?1021711
http://sunsolve.sun.com/search/document.do?assetkey=1-66-252767-1
http://support.avaya.com/elmodocs2/security/ASA-2009-070.htm
http://www.debian.org/security/2009/dsa-1721
http://www.debian.org/security/2009/dsa-1722
http://www.eyrie.org/~eagle/software/pam-krb5/security/2009-02-11.html
http://www.securityfocus.com/archive/1/500892/100/0/threaded
http://www.securityfocus.com/bid/33741
http://www.ubuntu.com/usn/USN-719-1
http://www.vupen.com/english/advisories/2009/0410
http://www.vupen.com/english/advisories/2009/0426
http://www.vupen.com/english/advisories/2009/0979
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5403
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5521
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