Cryptographic issues in Linux kernel - CVE-2013-4350
Published: September 25, 2013 / Updated: August 10, 2020
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The IPv6 SCTP implementation in net/sctp/ipv6.c in the Linux kernel through 3.11.1 uses data structures and function calls that do not trigger an intended configuration of IPsec encryption, which allows remote attackers to obtain sensitive information by sniffing the network.
Affected software
Ubuntu
linux (Ubuntu package)
linux-lts-quantal (Ubuntu package)
linux-lts-raring (Ubuntu package)
How to mitigate CVE-2013-4350
linux-lts-quantal (Ubuntu package) - update to 3.5.0-43.66~precise1
linux-lts-raring (Ubuntu package) - update to 3.8.0-34.49~precise1
External References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=95ee62083cb6453e056562d91f597552021e6ae7
- http://rhn.redhat.com/errata/RHSA-2013-1490.html
- http://www.openwall.com/lists/oss-security/2013/09/13/3
- http://www.ubuntu.com/usn/USN-2019-1
- http://www.ubuntu.com/usn/USN-2021-1
- http://www.ubuntu.com/usn/USN-2022-1
- http://www.ubuntu.com/usn/USN-2024-1
- http://www.ubuntu.com/usn/USN-2038-1
- http://www.ubuntu.com/usn/USN-2039-1
- http://www.ubuntu.com/usn/USN-2041-1
- http://www.ubuntu.com/usn/USN-2045-1
- http://www.ubuntu.com/usn/USN-2049-1
- http://www.ubuntu.com/usn/USN-2050-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1007872
- https://github.com/torvalds/linux/commit/95ee62083cb6453e056562d91f597552021e6ae7