drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Zwei Probleme in X11
Name: |
Zwei Probleme in X11 |
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ID: |
USN-3442-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 17.04 |
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Datum: |
Di, 10. Oktober 2017, 23:40 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13720
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13722 |
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Applikationen: |
X11 |
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Originalnachricht |
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============7735419903013618222== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="bch20bf5vElnKRjRRGFjAccaslEEOI1fi"
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --bch20bf5vElnKRjRRGFjAccaslEEOI1fi Content-Type: multipart/mixed; boundary="j8jswBJxqjOJ2Ia9tDbFgORF2MM8n1oAJ"; protected-headers="v1" From: Marc Deslauriers <marc.deslauriers@canonical.com> Reply-To: Ubuntu Security <security@ubuntu.com> To: "ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com> Message-ID: <bfc4f6ab-e207-73ca-9e89-28b9d90d2e75@canonical.com> Subject: [USN-3442-1] libXfont vulnerabilities
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========================================================================== Ubuntu Security Notice USN-3442-1 October 10, 2017
libxfont, libxfont1, libxfont2 vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.04 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in libXfont.
Software Description: - libxfont: X11 font rasterisation library - libxfont1: X11 font rasterisation library - libxfont2: X11 font rasterisation library
Details:
It was discovered that libXfont incorrectly handled certain patterns in PatternMatch. A local attacker could use this issue to cause libXfont to crash, resulting in a denial of service, or possibly obtain sensitive information. (CVE-2017-13720)
It was discovered that libXfont incorrectly handled certain malformed PCF files. A local attacker could use this issue to cause libXfont to crash, resulting in a denial of service, or possibly obtain sensitive information. (CVE-2017-13722)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 17.04: libxfont1 1:1.5.2-4ubuntu0.1 libxfont2 1:2.0.1-3ubuntu0.1
Ubuntu 16.04 LTS: libxfont1 1:1.5.1-1ubuntu0.16.04.3 libxfont2 1:2.0.1-3~ubuntu16.04.2
Ubuntu 14.04 LTS: libxfont1 1:1.4.7-1ubuntu0.3
After a standard system update you need to reboot your computer to make all the necessary changes.
References: https://www.ubuntu.com/usn/usn-3442-1 CVE-2017-13720, CVE-2017-13722
Package Information: https://launchpad.net/ubuntu/+source/libxfont/1:2.0.1-3ubuntu0.1 https://launchpad.net/ubuntu/+source/libxfont1/1:1.5.2-4ubuntu0.1 https://launchpad.net/ubuntu/+source/libxfont/1:1.5.1-1ubuntu0.16.04.3 https://launchpad.net/ubuntu/+source/libxfont2/1:2.0.1-3~ubuntu16.04.2 https://launchpad.net/ubuntu/+source/libxfont/1:1.4.7-1ubuntu0.3
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