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CVE-2011-3194

Status Candidate

Overview

Buffer overflow in the TIFF reader in gui/image/qtiffhandler.cpp in Qt 4.7.4 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via the TIFFTAG_SAMPLESPERPIXEL tag in a greyscale TIFF image with multiple samples per pixel.

Related Files

Ubuntu Security Notice USN-1504-1
Posted Jul 12, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1504-1 - It was discovered that Qt did not properly handle wildcard domain names or IP addresses in the Common Name field of X.509 certificates. An attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications. This issue only affected Ubuntu 10.04 LTS. A heap-based buffer overflow was discovered in the HarfBuzz module. If a user were tricked into opening a crafted font file in a Qt application, an attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. Various other issues were also addressed.

tags | advisory, denial of service, overflow, arbitrary
systems | linux, ubuntu
advisories | CVE-2010-5076, CVE-2011-3193, CVE-2011-3194, CVE-2010-5076, CVE-2011-3193, CVE-2011-3194
SHA-256 | 38f8026f04706275efcfb7cc11205b775caa2dd43f788cbc9c811568afc13863
Gentoo Linux Security Advisory 201206-02
Posted Jun 3, 2012
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201206-2 - A buffer overflow in QtGui could result in execution of arbitrary code or Denial of Service. Versions less than 4.7.4-r1 are affected.

tags | advisory, denial of service, overflow, arbitrary
systems | linux, gentoo
advisories | CVE-2011-3194
SHA-256 | 3e8fe99c5b4cd12ef5e54050c573dfb17c9be459a9ae7b4a445a8accc9356713
Red Hat Security Advisory 2011-1323-01
Posted Sep 22, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-1323-01 - Qt is a software toolkit that simplifies the task of writing and maintaining GUI applications for the X Window System. HarfBuzz is an OpenType text shaping engine. A buffer overflow flaw was found in the harfbuzz module in Qt. If a user loaded a specially-crafted font file with an application linked against Qt, it could cause the application to crash or, possibly, execute arbitrary code with the privileges of the user running the application. A buffer overflow flaw was found in the way Qt handled certain gray-scale image files. If a user loaded a specially-crafted gray-scale image file with an application linked against Qt, it could cause the application to crash or, possibly, execute arbitrary code with the privileges of the user running the application.

tags | advisory, overflow, arbitrary
systems | linux, redhat
advisories | CVE-2011-3193, CVE-2011-3194
SHA-256 | 2b4e351ecf7b1e04b2a289d89c0a98e84a8bc39de3fd6f4dd885d4a0e30e59c4
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