Xavier Roche discovered an infinite loop in the gdPngReadData() function when processing a truncated PNG file (CVE-2007-2756). An integer overflow has been discovered in the gdImageCreateTrueColor() function (CVE-2007-3472). An error has been discovered in the function gdImageCreateXbm() function (CVE-2007-3473). Unspecified vulnerabilities have been discovered in the GIF reader (CVE-2007-3474). An error has been discovered when processing a GIF image that has no global color map (CVE-2007-3475). An array index error has been discovered in the file gd_gif_in.c when processing images with an invalid color index (CVE-2007-3476). An error has been discovered in the imagearc() and imagefilledarc() functions when processing overly large angle values (CVE-2007-3477). A race condition has been discovered in the gdImageStringFTEx() function (CVE-2007-3478).
Impact ======
A remote attacker could exploit one of these vulnerabilities to cause a Denial of Service or possibly execute arbitrary code with the privileges of the user running GD.
Workaround ==========
There is no known workaround at this time.
Resolution ==========
All GD users should upgrade to the latest version:
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at http://bugs.gentoo.org.
License =======
Copyright 2007 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.