CentOS 6 / 7 : libXfont (CESA-2015:1708)
high Nessus Plugin ID 86506
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VPR Score: 5.9
Synopsis
The remote CentOS host is missing one or more security updates.Description
An updated libXfont package that fixes three security issues is now available for Red Hat Enterprise Linux 6 and 7.Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.
The libXfont package provides the X.Org libXfont runtime library.
X.Org is an open source implementation of the X Window System.
An integer overflow flaw was found in the way libXfont processed certain Glyph Bitmap Distribution Format (BDF) fonts. A malicious, local user could use this flaw to crash the X.Org server or, potentially, execute arbitrary code with the privileges of the X.Org server. (CVE-2015-1802)
An integer truncation flaw was discovered in the way libXfont processed certain Glyph Bitmap Distribution Format (BDF) fonts. A malicious, local user could use this flaw to crash the X.Org server or, potentially, execute arbitrary code with the privileges of the X.Org server. (CVE-2015-1804)
A NULL pointer dereference flaw was discovered in the way libXfont processed certain Glyph Bitmap Distribution Format (BDF) fonts. A malicious, local user could use this flaw to crash the X.Org server.
(CVE-2015-1803)
All libXfont users are advised to upgrade to this updated package, which contains backported patches to correct these issues.
Solution
Update the affected libxfont packages.See Also
Plugin Details
Severity: High
ID: 86506
File Name: centos_RHSA-2015-1708.nasl
Version: 2.6
Type: local
Agent: unix
Family: CentOS Local Security Checks
Published: 10/22/2015
Updated: 1/4/2021
Dependencies: 12634
Risk Information
Risk Factor: High
VPR Score: 5.9
CVSS Score Source: CVE-2015-1802
CVSS v2.0
Base Score: 8.5
Temporal Score: 6.3
Vector: AV:N/AC:M/Au:S/C:C/I:C/A:C
Temporal Vector: E:U/RL:OF/RC:C
Vulnerability Information
CPE: p-cpe:/a:centos:centos:libXfont, p-cpe:/a:centos:centos:libXfont-devel, cpe:/o:centos:centos:6, cpe:/o:centos:centos:7
Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 9/3/2015
Vulnerability Publication Date: 3/20/2015
Reference Information
RHSA: 2015:1708