GLSA-201801-10 : LibXfont, LibXfont2: Arbitrary file access

Low Nessus Plugin ID 105666


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


The remote host is affected by the vulnerability described in GLSA-201801-10 (LibXfont, LibXfont2: Arbitrary file access)

It was discovered that libXfont incorrectly followed symlinks when opening font files.
Impact :

A local unprivileged user could use this flaw to cause the X server to access arbitrary files, including special device files.
Workaround :

There is no known workaround at this time.


All LibXfont users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=x11-libs/libXfont-1.5.4' All LibXfont2 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=x11-libs/libXfont2-2.0.3'

See Also

Plugin Details

Severity: Low

ID: 105666

File Name: gentoo_GLSA-201801-10.nasl

Version: Revision: 3.2

Type: local

Published: 2018/01/09

Modified: 2018/01/26

Dependencies: 12634

Risk Information

Risk Factor: Low

CVSS v2.0

Base Score: 2.1

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

CVSS v3.0

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:libXfont, p-cpe:/a:gentoo:linux:libXfont2, cpe:/o:gentoo:linux

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

Patch Publication Date: 2018/01/08

Reference Information

CVE: CVE-2017-16611

GLSA: 201801-10