Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libssh | Libssh | <= 0.5.3 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098065.h
- http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098094.h
- http://secunia.com/advisories/51982Vendor Advisory
- http://www.libssh.org/2013/01/22/libssh-0-5-4-security-release/PatchVendor Advisory
- http://www.ubuntu.com/usn/USN-1707-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/81595
- http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098065.h
- http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098094.h
- http://secunia.com/advisories/51982Vendor Advisory
- http://www.libssh.org/2013/01/22/libssh-0-5-4-security-release/PatchVendor Advisory
- http://www.ubuntu.com/usn/USN-1707-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/81595
FAQ
What is CVE-2013-0176?
CVE-2013-0176 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 cras...
How severe is CVE-2013-0176?
CVE-2013-0176 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-0176?
Check the references section above for vendor advisories and patch information. Affected products include: Libssh Libssh.