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CVE-2009-2294

Status Candidate

Overview

Integer overflow in the Png_datainfo_callback function in Dillo 2.1 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a PNG image with crafted (1) width or (2) height values.

Related Files

Gentoo Linux Security Advisory 200908-10
Posted Aug 18, 2009
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory GLSA 200908-10 - An integer overflow in the PNG handling of Dillo might result in the remote execution of arbitrary code. Tilei Wang reported an integer overflow in the Png_datainfo_callback() function, possibly leading to a heap-based buffer overflow. Versions less than 2.1.1 are affected.

tags | advisory, remote, overflow, arbitrary
systems | linux, gentoo
advisories | CVE-2009-2294
SHA-256 | 9713950b61dbbb2436c43e54b7f1ebf3a2ceadaae7fb79b2a1c3f0bac7036199
Open Source CERT Security Advisory 2009.8
Posted Jul 6, 2009
Authored by Andrea Barisani, Open Source CERT | Site ocert.org

Dillo, an open source graphical web browser, suffers from an integer overflow which may lead to a potentially exploitable heap overflow and result in arbitrary code execution. The vulnerability is triggered by HTML pages with embedded PNG images, the Png_datainfo_callback function does not properly validate the width and height of the image. Specific PNG images with large width and height can be crafted to trigger the vulnerability. Versions 2.1 and below are affected.

tags | advisory, web, overflow, arbitrary, code execution
advisories | CVE-2009-2294
SHA-256 | 0a9bd01bbd35cd229feb029c2a84091f982b71b8dbf99cb85b892b57eae472c1
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