CVE-2015-1782
medium
CVSS v3
—
CVSS v2
6.8
VIR risk
6.8
Description
The kex_agree_methods function in libssh2 before 1.5.0 allows remote servers to cause a denial of service (crash) or have other unspecified impact via crafted length values in an SSH_MSG_KEXINIT packet.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-1782
Vendor advisory: secalert@redhat.com — http://www.libssh2.org/adv_20150311.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 1.4.3-4.1 |
| debian | bullseye | fixed | 1.4.3-4.1 |
| debian | forky | fixed | 1.4.3-4.1 |
| debian | sid | fixed | 1.4.3-4.1 |
| debian | trixie | fixed | 1.4.3-4.1 |
| fedora | 20 | affected | |
| fedora | 21 | affected | |
| fedora | 22 | affected | |
| debian | 7.0 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| libssh2 | libssh2 | {"endIncluding":"1.4.3"} | |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151943.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152362.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/153933.html
- http://www.debian.org/security/2015/dsa-3182
- http://www.libssh2.org/adv_20150311.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:148
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/73061
- https://security-tracker.debian.org/tracker/CVE-2015-1782
CWEs
CWE-20
Verify integrity in audit chain (admin only). AS-IS.