Description
The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a "Client: Diffie-Hellman Key Exchange Init" packet.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098094.html ↗
- https://exchange.xforce.ibmcloud.com/vulnerabilities/81595 ↗
- http://secunia.com/advisories/51982 ↗
- http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098065.html ↗
- http://www.ubuntu.com/usn/USN-1707-1 ↗
- http://www.libssh.org/2013/01/22/libssh-0-5-4-security-release/ ↗