SB2014122902 - Denial of service in libssh
Published: December 29, 2014 Updated: September 12, 2025
Security Bulletin ID
SB2014122902
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Double free (CVE-ID: CVE-2014-8132)
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the ssh_packet_kexinit() function in kex.c. A remote user can pass specially crafted data to the application, trigger a double free error and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- http://advisories.mageia.org/MGASA-2015-0014.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147367.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147452.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147464.html
- http://lists.opensuse.org/opensuse-updates/2015-01/msg00007.html
- http://secunia.com/advisories/60838
- http://www.debian.org/security/2016/dsa-3488
- http://www.libssh.org/2014/12/19/libssh-0-6-4-security-and-bugfix-release/
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:020
- http://www.ubuntu.com/usn/USN-2478-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1158089
- https://security.gentoo.org/glsa/201606-12