Vulnerability CVE-2008-1940
Published: 2008-04-25   Modified: 2012-02-12

Description:
The RBAC functionality in grsecurity before 2.1.11-2.6.24.5 and 2.1.11-2.4.36.2 does not enforce user_transition_deny and user_transition_allow rules for the (1) sys_setfsuid and (2) sys_setfsgid calls, which allows local users to bypass restrictions for those calls.

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
Grsecurity -> Grsecurity kernel patch 

 References:
http://www.securityfocus.com/bid/28889
http://secunia.com/advisories/29899
http://www.vupen.com/english/advisories/2008/1323/references
http://www.grsecurity.org/news.php#grsec21113
http://xforce.iss.net/xforce/xfdb/41952
http://www.securitytracker.com/id?1019919
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