Vulnerability in Libssh
CVE-2013-0176
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.030 (87.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000
Affected products
- Libssh — versions 0.4.7, 0.4.8, 0.5.0
Weakness classification (CWE)
References
- lists.fedoraproject.org/pipermail/package-announce/2013-February/098094.html (vendor-advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/81595 (vdb-entry)
- secunia.com/advisories/51982 (Vendor Advisory, third-party-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2013-February/098065.html (vendor-advisory)
- www.ubuntu.com/usn/USN-1707-1 (vendor-advisory)
- www.libssh.org/2013/01/22/libssh-0-5-4-security-release/ (Patch, Vendor Advisory)