CVE-2015-3146 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 (N...
HighCVSS 7.5
EPSS 4.0%
- Published
- Updated
- Exploit status
- No public exploit known
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/libssh(Debian:12) | < 0.6.3-4.2 | 0.6.3-4.2 |
| debian/libssh(Debian:13) | < 0.6.3-4.2 | 0.6.3-4.2 |
| debian/libssh(Debian:14) | < 0.6.3-4.2 | 0.6.3-4.2 |
| libssh | <= 0.6.4 | No fix listed |
| Canonical Ubuntu Linux | = 12.04 | No fix listed |
| Canonical Ubuntu Linux | = 14.04 | No fix listed |
| Canonical Ubuntu Linux | = 15.10 | No fix listed |
| debian linux | = 7.0 | No fix listed |
| debian linux | = 8.0 | No fix listed |
| fedoraproject fedora | = 21 | No fix listed |
| fedoraproject fedora | = 22 | No fix listed |
References
- Debian Security Tracker CVE-2015-3146 vendor-advisory
- FEDORA-2015-10962 vendor-advisory
- FEDORA-2015-7590 vendor-advisory
- DSA-3488 vendor-advisory
- USN-2912-1 vendor-advisory
- git.libssh.org
- www.libssh.org vendor-advisory
- www.libssh.org vendor-advisory
- bugs.debian.org issue-tracking