CVE-2014-3687

Published: 10 November 2014

The sctp_assoc_lookup_asconf_ack function in net/sctp/associola.c in the SCTP implementation in the Linux kernel through 3.17.2 allows remote attackers to cause a denial of service (panic) via duplicate ASCONF chunks that trigger an incorrect uncork within the side-effect interpreter.

From the Ubuntu security team

A flaw in the handling of duplicate ASCONF chunks by SCTP (Stream Control Transmission Protocol) implementation in the Linux kernel was discovered. A remote attacker could exploit this flaw to cause a denial of service (panic).

Priority

Medium

CVSS 3 base score: 7.5

Status

Notes

android kernels (flo, goldfish, grouper, maguro, mako and manta) are
not supported on the Ubuntu Touch 14.04 preview kernels
linux-lts-saucy no longer receives official support
linux-lts-quantal no longer receives official support

References

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3687
• https://ubuntu.com/security/notices/USN-2417-1
• https://ubuntu.com/security/notices/USN-2418-1
• https://ubuntu.com/security/notices/USN-2441-1
• https://ubuntu.com/security/notices/USN-2442-1
• https://ubuntu.com/security/notices/USN-2445-1
• https://ubuntu.com/security/notices/USN-2446-1
• https://ubuntu.com/security/notices/USN-2447-1
• https://ubuntu.com/security/notices/USN-2448-1
• NVD
• Launchpad
• Debian

Bugs

• https://launchpad.net/bugs/1386392