Vulnerability CVE-2014-5077
Published: 2014-08-01

Description:
The sctp_assoc_update function in net/sctp/associola.c in the Linux kernel through 3.15.8, when SCTP authentication is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and OOPS) by starting to establish an association between two endpoints immediately after an exchange of INIT and INIT ACK chunks to establish an earlier association between these endpoints in the opposite direction.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Linux Kernel 3.15.7 sctp_assoc_update NULL pointer dereference and OOPS
Jason
28.07.2014

CVSS2 => (AV:N/AC:H/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.4/10
6.9/10
4.9/10
Exploit range
Attack complexity
Authentication
Remote
High
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Linux -> Linux kernel 

 References:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1be9a950c646c9092fb3618197f7b6bfb50e82aa
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.html
http://rhn.redhat.com/errata/RHSA-2014-1083.html
http://rhn.redhat.com/errata/RHSA-2014-1668.html
http://rhn.redhat.com/errata/RHSA-2014-1763.html
http://secunia.com/advisories/60430
http://secunia.com/advisories/60545
http://www.openwall.com/lists/oss-security/2014/07/26/1
http://www.securityfocus.com/bid/68881
http://www.securitytracker.com/id/1030681
http://www.ubuntu.com/usn/USN-2334-1
http://www.ubuntu.com/usn/USN-2335-1
http://www.ubuntu.com/usn/USN-2358-1
http://www.ubuntu.com/usn/USN-2359-1
http://xforce.iss.net/xforce/xfdb/95134
https://bugzilla.redhat.com/show_bug.cgi?id=1122982
https://github.com/torvalds/linux/commit/1be9a950c646c9092fb3618197f7b6bfb50e82aa
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