| Name | CVE-2015-3146 |
| Description | The (1) SSH_MSG_NEWKEYS and (2) SSH_MSG_KEXDH_REPLY packet handlers in package_cb.c in libssh before 0.6.5 do not properly validate state, which allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted SSH packet. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more) |
| NVD severity | medium (attack range: remote) |
| Debian Bugs | 784404 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libssh (PTS) | wheezy, wheezy (security) | 0.5.4-1+deb7u3 | fixed |
| jessie (security), jessie | 0.6.3-4+deb8u2 | fixed | |
| stretch | 0.7.3-2 | fixed | |
| buster, sid | 0.8.0~20170825.94fa1e38-1 | 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) | 0.6.3-4.2 | medium | 784404 | |
| libssh | source | jessie | 0.6.3-4+deb8u1 | medium | ||
| libssh | source | squeeze | (not affected) | |||
| libssh | source | wheezy | 0.5.4-1+deb7u3 | medium |
[squeeze] - libssh <not-affected> (Issue only present in versions > 0.5.1, squeeze has 0.4.5)
https://www.libssh.org/2015/04/30/libssh-0-6-5-security-and-bugfix-release/