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Test ID:1.3.6.1.4.1.25623.1.0.891494
Category:Debian Local Security Checks
Title:Debian: Security Advisory (DLA-1494-1)
Summary:The remote host is missing an update for the Debian 'gdm3' package(s) announced via the DLA-1494-1 advisory.
Description:Summary:
The remote host is missing an update for the Debian 'gdm3' package(s) announced via the DLA-1494-1 advisory.

Vulnerability Insight:
The daemon in GDM does not properly unexport display objects from its D-Bus interface when they are destroyed, which allows a local attacker to trigger a use-after-free via a specially crafted sequence of D-Bus method calls, resulting in a denial of service or potential code execution.

For Debian 8 Jessie, this problem has been fixed in version 3.14.1-7+deb8u1.

We recommend that you upgrade your gdm3 packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: [link moved to references]

Affected Software/OS:
'gdm3' package(s) on Debian 8.

Solution:
Please install the updated package(s).

CVSS Score:
4.6

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2018-14424
BugTraq ID: 105179
http://www.securityfocus.com/bid/105179
Debian Security Information: DSA-4270 (Google Search)
https://www.debian.org/security/2018/dsa-4270
https://lists.debian.org/debian-lts-announce/2018/09/msg00003.html
https://usn.ubuntu.com/3737-1/
CopyrightCopyright (C) 2018 Greenbone AG

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