CVE Vulnerabilities

CVE-2015-3146

Published: Apr 13, 2016 | Modified: Apr 20, 2016
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
5 MODERATE
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V3
Ubuntu
LOW

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 Software

Name Vendor Start Version End Version
Libssh Libssh * 0.6.4 (including)
Libssh Ubuntu precise *
Libssh Ubuntu trusty *
Libssh Ubuntu upstream *
Libssh Ubuntu utopic *
Libssh Ubuntu vivid *
Libssh Ubuntu wily *

References