GLSA-200711-02 : OpenSSH: Security bypass

High Nessus Plugin ID 27612


The remote Gentoo host is missing one or more security-related patches.


The remote host is affected by the vulnerability described in GLSA-200711-02 (OpenSSH: Security bypass)

Jan Pechanec discovered that OpenSSH uses a trusted X11 cookie when it cannot create an untrusted one.
Impact :

An attacker could bypass the SSH client security policy and gain privileges by causing an X client to be treated as trusted.
Workaround :

There is no known workaround at this time.


All OpenSSH users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-misc/openssh-4.7'

See Also

Plugin Details

Severity: High

ID: 27612

File Name: gentoo_GLSA-200711-02.nasl

Version: $Revision: 1.16 $

Type: local

Published: 2007/11/02

Modified: 2015/04/13

Dependencies: 12634

Risk Information

Risk Factor: High


Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:ND/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:openssh, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2007/11/01

Reference Information

CVE: CVE-2007-4752

BID: 25628

OSVDB: 43371

GLSA: 200711-02

CWE: 20