National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2013-1826 Detail

Current Description

The xfrm_state_netlink function in net/xfrm/xfrm_user.c in the Linux kernel before 3.5.7 does not properly handle error conditions in dump_one_state function calls, which allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) by leveraging the CAP_NET_ADMIN capability.

Source:  MITRE
View Analysis Description

Evaluator Description

Per: http://cwe.mitre.org/data/definitions/476.html 'CWE-476: NULL Pointer Dereference'

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.2 MEDIUM
Vector: (AV:L/AC:H/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 1.9


Access Vector (AV): Local
Access Complexity (AC): High
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

Evaluator Impact

Per https://bugzilla.redhat.com/show_bug.cgi?id=919384 "This issue affects the version of Linux kernel as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6. Future kernel updates for Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6 may address this issue."

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=864745d291b5ba80ea0bd0edcbe67273de368836 Exploit Patch
http://rhn.redhat.com/errata/RHSA-2013-0744.html
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7
http://www.openwall.com/lists/oss-security/2013/03/07/2
http://www.ubuntu.com/usn/USN-1829-1
https://bugzilla.redhat.com/show_bug.cgi?id=919384
https://github.com/torvalds/linux/commit/864745d291b5ba80ea0bd0edcbe67273de368836

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:3.5.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.5.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.5.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
3.5.6


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2013-1826
NVD Published Date:
03/22/2013
NVD Last Modified:
06/04/2013