NULL pointer dereference in Linux kernel - CVE-2014-5077
Published: August 1, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41435
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-5077
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error 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. <a href="http://cwe.mitre.org/data/definitions/476. A remote attacker can perform a denial of service (DoS) attack.
Affected software
Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-trusty (Ubuntu package)
Ubuntu
linux (Ubuntu package)
linux-lts-trusty (Ubuntu package)
How to mitigate CVE-2014-5077
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
linux (Ubuntu package) - addressed in versions 2.6.32-65.131, 3.2.0-68.102, 3.13.0-36.63
linux-lts-trusty (Ubuntu package) - update to 3.13.0-36.63~precise1
linux-lts-trusty (Ubuntu package) - update to 3.13.0-36.63~precise1
External 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/59777
- http://secunia.com/advisories/60430
- http://secunia.com/advisories/60545
- http://secunia.com/advisories/60564
- http://secunia.com/advisories/60744
- http://secunia.com/advisories/62563
- 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
- https://bugzilla.redhat.com/show_bug.cgi?id=1122982
- https://exchange.xforce.ibmcloud.com/vulnerabilities/95134
- https://github.com/torvalds/linux/commit/1be9a950c646c9092fb3618197f7b6bfb50e82aa