National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2012-3520 Detail

Current Description

The Netlink implementation in the Linux kernel before 3.2.30 does not properly handle messages that lack SCM_CREDENTIALS data, which might allow local users to spoof Netlink communication via a crafted message, as demonstrated by a message to (1) Avahi or (2) NetworkManager.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 1.9 LOW
Vector: (AV:L/AC:M/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.4


Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized modification

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=e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea Patch
http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00005.html
http://lists.opensuse.org/opensuse-updates/2013-02/msg00018.html
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.30
http://www.openwall.com/lists/oss-security/2012/08/22/1
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://www.securityfocus.com/bid/55152
http://www.ubuntu.com/usn/USN-1599-1
http://www.ubuntu.com/usn/USN-1610-1
https://bugzilla.redhat.com/show_bug.cgi?id=850449
https://github.com/torvalds/linux/commit/e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea Exploit

Technical Details

Vulnerability Type (View All)

  • Improper Authentication (CWE-287)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:2.3.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.3.20:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.3.21:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.3.22:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.3.23:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.3.24:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.3.25:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.3.26:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.3.27:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.3.28:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.3.29:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.4.33.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.6.13.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.6.23.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.6.33.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:2.6.33.20:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2:rc2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2:rc3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2:rc4:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2:rc5:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.7:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.8:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.9:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.11:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.12:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.13:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.14:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.15:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.16:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.17:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.18:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.19:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.20:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.21:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.22:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.23:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.24:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.25:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.26:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.27:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.2.28:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
3.2.29
 cpe:2.3:o:linux:linux_kernel:3.3.2:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2012-3520
NVD Published Date:
10/03/2012
NVD Last Modified:
10/11/2016