GLSA Advocate
Joined: 12 May 2004 Posts: 2663
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Posted: Mon Jan 08, 2018 1:26 pm Post subject: [ GLSA 201801-10 ] LibXfont, LibXfont2 |
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Gentoo Linux Security Advisory
Title: LibXfont, LibXfont2: Arbitrary file access (GLSA 201801-10)
Severity: normal
Exploitable: local
Date: 2018-01-08
Bug(s): #639064
ID: 201801-10
Synopsis
A vulnerability has been found in LibXfont and LibXfont2 which may
allow for arbitrary file access.
Background
X.Org Xfont library.
Affected Packages
Package: x11-libs/libXfont
Vulnerable: < 1.5.4
Unaffected: >= 1.5.4
Architectures: All supported architectures
Package: x11-libs/libXfont2
Vulnerable: < 2.0.3
Unaffected: >= 2.0.3
Architectures: All supported architectures
Description
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.
Resolution
All LibXfont users should upgrade to the latest version: Code: | # emerge --sync
# emerge --ask --oneshot --verbose ">=x11-libs/libXfont-1.5.4"
| All LibXfont2 users should upgrade to the latest version: Code: | # emerge --sync
# emerge --ask --oneshot --verbose ">=x11-libs/libXfont2-2.0.3"
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References
CVE-2017-16611
Last edited by GLSA on Mon Jan 15, 2018 4:17 am; edited 1 time in total |
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