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Ubuntu alert USN-1478-1 (libav)

From:  Marc Deslauriers <marc.deslauriers@canonical.com>
To:  ubuntu-security-announce@lists.ubuntu.com
Subject:  [USN-1478-1] Libav vulnerabilities
Date:  Mon, 18 Jun 2012 09:56:47 -0400
Message-ID:  <1340027807.3400.8.camel@mdlinux>
Archive-link:  Article, Thread

========================================================================== Ubuntu Security Notice USN-1478-1 June 18, 2012 libav vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.04 LTS - Ubuntu 11.10 - Ubuntu 11.04 Summary: Libav could be made to crash or run programs as your login if it opened a specially crafted file. Software Description: - libav: Multimedia player, server, encoder and transcoder Details: Mateusz Jurczyk and Gynvael Coldwind discovered that Libav incorrectly handled certain malformed DV files. If a user were tricked into opening a crafted DV file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 11.10. (CVE-2011-3929, CVE-2011-3936) Mateusz Jurczyk and Gynvael Coldwind discovered that Libav incorrectly handled certain malformed NSV files. If a user were tricked into opening a crafted NSV file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 11.04 and Ubuntu 11.10. (CVE-2011-3940) Mateusz Jurczyk and Gynvael Coldwind discovered that Libav incorrectly handled certain malformed Kega Game Video (KGV1) files. If a user were tricked into opening a crafted Kega Game Video (KGV1) file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 11.04 and Ubuntu 11.10. (CVE-2011-3945) Mateusz Jurczyk and Gynvael Coldwind discovered that Libav incorrectly handled certain malformed MJPEG-B files. If a user were tricked into opening a crafted MJPEG-B file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 11.04 and Ubuntu 11.10. (CVE-2011-3947) Mateusz Jurczyk and Gynvael Coldwind discovered that Libav incorrectly handled certain malformed DPCM files. If a user were tricked into opening a crafted DPCM file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 11.04 and Ubuntu 11.10. (CVE-2011-3951) Mateusz Jurczyk and Gynvael Coldwind discovered that Libav incorrectly handled certain malformed KMVC files. If a user were tricked into opening a crafted KMVC file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 11.04 and Ubuntu 11.10. (CVE-2011-3952) Jeong Wook Oh discovered that Libav incorrectly handled certain malformed ASF files. If a user were tricked into opening a crafted ASF file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 11.10. (CVE-2011-4031) It was discovered that Libav incorrectly handled certain malformed Westwood SNDx files. If a user were tricked into opening a crafted Westwood SNDx file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 11.10. (CVE-2012-0848) Diana Elena Muscalu discovered that Libav incorrectly handled certain malformed AAC files. If a user were tricked into opening a crafted AAC file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 11.04 and Ubuntu 11.10. (CVE-2012-0850) It was discovered that Libav incorrectly handled certain malformed H.264 files. If a user were tricked into opening a crafted H.264 file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2012-0851) It was discovered that Libav incorrectly handled certain malformed ADPCM files. If a user were tricked into opening a crafted ADPCM file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 11.04 and Ubuntu 11.10. (CVE-2012-0852) It was discovered that Libav incorrectly handled certain malformed Atrac 3 files. If a user were tricked into opening a crafted Atrac 3 file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 11.04 and Ubuntu 11.10. (CVE-2012-0853) It was discovered that Libav incorrectly handled certain malformed Shorten files. If a user were tricked into opening a crafted Shorten file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 11.04 and Ubuntu 11.10. (CVE-2012-0858) It was discovered that Libav incorrectly handled certain malformed Vorbis files. If a user were tricked into opening a crafted Vorbis file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 11.04 and Ubuntu 11.10. (CVE-2012-0859) Fabian Yamaguchi discovered that Libav incorrectly handled certain malformed VQA files. If a user were tricked into opening a crafted VQA file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2012-0947) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 LTS: libavcodec53 4:0.8.3-0ubuntu0.12.04.1 libavformat53 4:0.8.3-0ubuntu0.12.04.1 Ubuntu 11.10: libavcodec53 4:0.7.6-0ubuntu0.11.10.1 libavformat53 4:0.7.6-0ubuntu0.11.10.1 Ubuntu 11.04: libavcodec52 4:0.6.6-0ubuntu0.11.04.1 libavformat52 4:0.6.6-0ubuntu0.11.04.1 This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes. References: http://www.ubuntu.com/usn/usn-1478-1 CVE-2011-3929, CVE-2011-3936, CVE-2011-3940, CVE-2011-3945, CVE-2011-3947, CVE-2011-3951, CVE-2011-3952, CVE-2011-4031, CVE-2012-0848, CVE-2012-0850, CVE-2012-0851, CVE-2012-0852, CVE-2012-0853, CVE-2012-0858, CVE-2012-0859, CVE-2012-0947 Package Information: https://launchpad.net/ubuntu/+source/libav/4:0.8.3-0ubunt... https://launchpad.net/ubuntu/+source/libav/4:0.7.6-0ubunt... https://launchpad.net/ubuntu/+source/libav/4:0.6.6-0ubunt... -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security...


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