A heap-based buffer over-read flaw was found in the way scaledimageplane, large image displaying library of KDE libraries, performed calculation of dimensions for the canvas for large images with very high ratios. A remote attacker could provide a specially-crafted web page that, when opened in an application linked against KDE libraries (such as konqueror), would lead to that application crash or, potentially, disclose portions of its memory (the latter being 32-bit architectures specific). Upstream patch: [1] http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=1f8b1b034ccf1713a5d123a4c327290f86d17d53 References: [2] http://www.openwall.com/lists/oss-security/2012/10/10/11 [3] http://www.openwall.com/lists/oss-security/2012/10/11/11
This issue did NOT affect the version of the kdelibs package, as shipped with Red Hat Enterprise Linux 5. -- This issue affects the version of the kdelibs package, as shipped with Red Hat Enterprise Linux 6. -- This issue did NOT affect the versions of the kdelibs package, as shipped with Fedora release of 16 and 17 (as they are already updated with aforementioned upstream patch).
Created attachment 627303 [details] Patch that should fix this bug
This is now public: http://seclists.org/oss-sec/2012/q4/171
This issue has been addressed in following products: Red Hat Enterprise Linux 6 Via RHSA-2012:1416 https://rhn.redhat.com/errata/RHSA-2012-1416.html
This issue has been addressed in following products: Red Hat Enterprise Linux 6 Via RHSA-2012:1418 https://rhn.redhat.com/errata/RHSA-2012-1418.html