CVEvulnerability

CVE-2015-3146

7.5 HIGH Published 2016-04-13 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2016-04-13
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P

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 configurations

• libssh libssh (<= 0.6.4) • canonical ubuntu linux 12.04 • canonical ubuntu linux 14.04 • canonical ubuntu linux 15.10 • debian debian linux 7.0 • debian debian linux 8.0 • fedoraproject fedora 21 • fedoraproject fedora 22

References