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Test ID:1.3.6.1.4.1.25623.1.0.871863
Category:Red Hat Local Security Checks
Title:RedHat Update for gdm and gnome-session RHSA-2017:2128-01
Summary:The remote host is missing an update for the 'gdm and gnome-session'; package(s) announced via the referenced advisory.
Description:Summary:
The remote host is missing an update for the 'gdm and gnome-session'
package(s) announced via the referenced advisory.

Vulnerability Insight:
The GNOME Display Manager (GDM) provides the
graphical login screen shown shortly after boot up, log out, and when
user-switching. The following packages have been upgraded to a later upstream
version: gdm (3.22.3), gnome-session (3.22.3). (BZ#1386862, BZ#1386957) Security
Fix(es): * It was found that gdm could crash due to a signal handler dispatched
to an invalid conversation. An attacker could crash gdm by holding the escape
key when the screen is locked, possibly bypassing the locked screen.
(CVE-2015-7496) Additional Changes: For detailed information on changes in this
release, see the Red Hat Enterprise Linux 7.4 Release Notes linked from the
References section.

Affected Software/OS:
gdm and gnome-session on Red Hat Enterprise Linux Server (v. 7)

Solution:
Please Install the Updated Packages.

CVSS Score:
7.2

CVSS Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2015-7496
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172328.html
http://www.openwall.com/lists/oss-security/2015/11/17/8
http://www.openwall.com/lists/oss-security/2015/11/17/10
RedHat Security Advisories: RHSA-2017:2128
https://access.redhat.com/errata/RHSA-2017:2128
CopyrightCopyright (C) 2017 Greenbone Networks GmbH

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