Vulnerability CVE-2010-4073


Published: 2010-11-29   Modified: 2012-02-13

Description:
The ipc subsystem in the Linux kernel before 2.6.37-rc1 does not initialize certain structures, which allows local users to obtain potentially sensitive information from kernel stack memory via vectors related to the (1) compat_sys_semctl, (2) compat_sys_msgctl, and (3) compat_sys_shmctl functions in ipc/compat.c; and the (4) compat_sys_mq_open and (5) compat_sys_mq_getsetattr functions in ipc/compat_mq.c.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Linux Kernel < 2.6.36.2 Econet Privilege Escalation Exploit
Jon Oberheide
07.09.2011

Type:

CWE-200

(Information Exposure)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
1.9/10
2.9/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Linux -> Kernel 
Linux -> Linux kernel 

 References:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=03145beb455cf5c20a761e8451e30b8a74ba58d9
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
http://lkml.org/lkml/2010/10/6/492
http://securityreason.com/securityalert/8366
http://www.debian.org/security/2010/dsa-2126
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc1
http://www.mandriva.com/security/advisories?name=MDVSA-2011:029
http://www.mandriva.com/security/advisories?name=MDVSA-2011:051
http://www.openwall.com/lists/oss-security/2010/10/07/1
http://www.openwall.com/lists/oss-security/2010/10/25/3
http://www.redhat.com/support/errata/RHSA-2010-0958.html
http://www.redhat.com/support/errata/RHSA-2011-0007.html
http://www.redhat.com/support/errata/RHSA-2011-0017.html
http://www.redhat.com/support/errata/RHSA-2011-0162.html
http://www.securityfocus.com/archive/1/520102/100/0/threaded
http://www.securityfocus.com/bid/45073
http://www.vmware.com/security/advisories/VMSA-2011-0012.html
http://www.vupen.com/english/advisories/2011/0012
http://www.vupen.com/english/advisories/2011/0124
http://www.vupen.com/english/advisories/2011/0168
http://www.vupen.com/english/advisories/2011/0298
http://www.vupen.com/english/advisories/2011/0375
https://bugzilla.redhat.com/show_bug.cgi?id=648658

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