| Name | CVE-2013-0176 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 698963 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libssh (PTS) | jessie, jessie (lts) | 0.6.3-4+deb8u6 | fixed |
| stretch (security) | 0.7.3-2+deb9u3 | fixed |
| stretch (lts), stretch | 0.7.3-2+deb9u4 | fixed |
| buster (security), buster, buster (lts) | 0.8.7-1+deb10u2 | fixed |
| bullseye (security), bullseye | 0.9.8-0+deb11u1 | fixed |
| bookworm (security), bookworm | 0.10.6-0+deb12u1 | fixed |
| sid, trixie | 0.11.1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libssh | source | (unstable) | 0.5.4-1 | low | | 698963 |
Notes
[squeeze] - libssh <no-dsa> (Minor issue)
http://www.libssh.org/2013/01/22/libssh-0-5-4-security-release/
http://git.libssh.org/projects/libssh.git/commit/?h=v0-5&id=55b09f426417406bb25c0b9c474fbab1398b0dc8