drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in gd
Name: |
Mehrere Probleme in gd |
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ID: |
USN-3117-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 12.04 LTS, Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 16.10 |
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Datum: |
Di, 1. November 2016, 20:44 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7568
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6911
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8670 |
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Applikationen: |
gd |
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Originalnachricht |
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============7877553447131950880== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="xsKfeVcPDV9DSgbAPX7GaV076FhclaBhB"
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --xsKfeVcPDV9DSgbAPX7GaV076FhclaBhB Content-Type: multipart/mixed; boundary="vjWiRIU0xTX5GxHjJmvAJnBo6IUCO5TtS" From: Marc Deslauriers <marc.deslauriers@canonical.com> Reply-To: Ubuntu Security <security@ubuntu.com> To: ubuntu-security-announce@lists.ubuntu.com Message-ID: <3178efb7-4f64-89da-7961-a3da1cf7a908@canonical.com> Subject: [USN-3117-1] GD library vulnerabilities
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========================================================================== Ubuntu Security Notice USN-3117-1 November 01, 2016
libgd2 vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.10 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS
Summary:
The GD library could be made to crash or run programs if it processed a specially crafted image file.
Software Description: - libgd2: GD Graphics Library
Details:
Ibrahim El-Sayed discovered that the GD library incorrectly handled certain malformed Tiff images. If a user or automated system were tricked into processing a specially crafted Tiff image, an attacker could cause a denial of service. (CVE-2016-6911)
Ke Liu discovered that the GD library incorrectly handled certain integers when processing WebP images. If a user or automated system were tricked into processing a specially crafted WebP image, an attacker could cause a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-7568)
Emmanuel Law discovered that the GD library incorrectly handled certain strings when creating images. If a user or automated system were tricked into processing a specially crafted image, an attacker could cause a denial of service, or possibly execute arbitrary code. (CVE-2016-8670)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.10: libgd3 2.2.1-1ubuntu3.2
Ubuntu 16.04 LTS: libgd3 2.1.1-4ubuntu0.16.04.5
Ubuntu 14.04 LTS: libgd3 2.1.0-3ubuntu0.5
Ubuntu 12.04 LTS: libgd2-noxpm 2.0.36~rc1~dfsg-6ubuntu2.3 libgd2-xpm 2.0.36~rc1~dfsg-6ubuntu2.3
In general, a standard system update will make all the necessary changes.
References: http://www.ubuntu.com/usn/usn-3117-1 CVE-2016-6911, CVE-2016-7568, CVE-2016-8670
Package Information: https://launchpad.net/ubuntu/+source/libgd2/2.2.1-1ubuntu3.2 https://launchpad.net/ubuntu/+source/libgd2/2.1.1-4ubuntu0.16.04.5 https://launchpad.net/ubuntu/+source/libgd2/2.1.0-3ubuntu0.5 https://launchpad.net/ubuntu/+source/libgd2/2.0.36~rc1~dfsg-6ubuntu2.3
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