UBUNTU-CVE-2015-3146

The (1) SSHMSGNEWKEYS and (2) SSHMSGKEXDHREPLY packet handlers in packagecb.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.

References

Affected packages

Ubuntu:14.04:LTS / libssh

Package

Name: libssh
Purl: pkg:deb/ubuntu/libssh@0.6.1-0ubuntu3.3?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.6.1-0ubuntu3.3

Affected versions

0.*

0.5.4-1

0.6.1-0ubuntu2

0.6.1-0ubuntu3

0.6.1-0ubuntu3.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libssh-4",
            "binary_version": "0.6.1-0ubuntu3.3"
        },
        {
            "binary_name": "libssh-4-dbgsym",
            "binary_version": "0.6.1-0ubuntu3.3"
        },
        {
            "binary_name": "libssh-dbg",
            "binary_version": "0.6.1-0ubuntu3.3"
        },
        {
            "binary_name": "libssh-dev",
            "binary_version": "0.6.1-0ubuntu3.3"
        },
        {
            "binary_name": "libssh-dev-dbgsym",
            "binary_version": "0.6.1-0ubuntu3.3"
        },
        {
            "binary_name": "libssh-doc",
            "binary_version": "0.6.1-0ubuntu3.3"
        }
    ]
}