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Grsecurity : Security Vulnerabilities

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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2008-1940 264 Bypass 2008-04-25 2008-09-05
4.6
User Local Low Not required Partial Partial Partial
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.
2 CVE-2007-0257 +Priv 2007-01-16 2008-11-15
7.2
Admin Local Low Not required Complete Complete Complete
** DISPUTED ** Unspecified vulnerability in the expand_stack function in grsecurity PaX allows local users to gain privileges via unspecified vectors. NOTE: the grsecurity developer has disputed this issue, stating that "the function they claim the vulnerability to be in is a trivial function, which can, and has been, easily checked for any supposed vulnerabilities." The developer also cites a past disclosure that was not proven. As of 20070120, the original researcher has released demonstration code.
3 CVE-2007-0253 2007-01-16 2008-09-05
7.2
Admin Local Low Not required Complete Complete Complete
** DISPUTED ** Unspecified vulnerability in the grsecurity patch has unspecified impact and remote attack vectors, a different vulnerability than the expand_stack vulnerability from the Digital Armaments 20070110 pre-advisory. NOTE: the grsecurity developer has disputed this issue, stating that "the function they claim the vulnerability to be in is a trivial function, which can, and has been, easily checked for any supposed vulnerabilities." The developer also cites a past disclosure that was not proven.
4 CVE-2006-0228 2006-01-17 2008-09-05
7.2
Admin Local Low Not required Complete Complete Complete
The RBAC functionality in grsecurity before 2.1.8 does not properly handle when the admin role creates a service and then exits the shell without unauthenticating, which causes the service to be restarted with the admin role still active.
5 CVE-2002-1826 Bypass 2002-12-31 2008-09-05
4.6
None Local Low Not required Partial Partial Partial
grsecurity 1.9.4 for Linux kernel 2.4.18 allows local users to bypass read-only permissions by using mmap to directly map /dev/mem or /dev/kmem to kernel memory.
Total number of vulnerabilities : 5   Page : 1 (This Page)
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