drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mangelnde Rechteprüfung in LibXfont2 und X11
Name: |
Mangelnde Rechteprüfung in LibXfont2 und X11 |
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ID: |
201801-10 |
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Distribution: |
Gentoo |
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Plattformen: |
Keine Angabe |
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Datum: |
Di, 9. Januar 2018, 09:15 |
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Referenzen: |
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-16611 |
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Applikationen: |
X11, X11 |
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Originalnachricht |
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --ADefbR26T8WtWRekILIgBCknkH5zvnEk4 Content-Type: multipart/mixed; boundary="KGFmMxL5SNdcMCFYxuMqksw8khjPSLyzu"; protected-headers="v1" From: Thomas Deutschmann <whissi@gentoo.org> Reply-To: security@gentoo.org To: gentoo-announce@lists.gentoo.org Message-ID: <892d1e0e-42f0-2118-d0cc-761da6d4f3b8@gentoo.org> Subject: [ GLSA 201801-10 ] LibXfont, LibXfont2: Arbitrary file access
--KGFmMxL5SNdcMCFYxuMqksw8khjPSLyzu Content-Type: text/plain; charset=utf-8 Content-Language: en-U Content-Transfer-Encoding: quoted-printable
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201801-10 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal Title: LibXfont, LibXfont2: Arbitrary file access Date: January 08, 2018 Bugs: #639064 ID: 201801-10
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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 / Vulnerable / Unaffected ------------------------------------------------------------------- 1 x11-libs/libXfont < 1.5.4 >= 1.5.4 2 x11-libs/libXfont2 < 2.0.3 >= 2.0.3 ------------------------------------------------------------------- 2 affected packages
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:
# 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"
References ==========
[ 1 ] CVE-2017-16611 https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-16611
Availability ============
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/201801-10
Concerns? =========
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License =======
Copyright 2018 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5
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