Several integer overflow flaws leading to heap-based buffer overflows were found in libXext, an X.Org X11 libXext runtime library. Affected functions: XcupGetReservedColormapEntries(), XcupStoreColors(), XdbeGetVisualInfo(), XeviGetVisualInfo(), XShapeGetRectangles(), XSyncListSystemCounters()
Created attachment 743923 [details] 0044-Use-_XEatDataWords-to-avoid-overflow-of-rep.length-b.patch
Created attachment 743924 [details] 0045-integer-overflow-and-signedness-issue-in-XcupGetRese.patch
Created attachment 743926 [details] 0046-integer-overflow-and-signedness-issue-in-XcupStoreCo.patch
Created attachment 743927 [details] 0047-several-integer-overflows-in-XdbeGetVisualInfo.patch
Created attachment 743928 [details] 0048-integer-overflow-in-XeviGetVisualInfo.patch
Created attachment 743929 [details] 0049-integer-overflow-in-XShapeGetRectangles.patch
Created attachment 743930 [details] 0050-integer-overflow-in-XSyncListSystemCounters.patch
Public via: http://www.openwall.com/lists/oss-security/2013/05/23/3
Upstream patches: Prerequisite: http://cgit.freedesktop.org/xorg/lib/libXext/commit/?id=ca84a813716f9de691dc3f60390d83af4b5ae534 Patches for issues: http://cgit.freedesktop.org/xorg/lib/libXext/commit/?id=d05f27a6f74cb419ad5a437f2e4690b17e7faee5 [1/6] http://cgit.freedesktop.org/xorg/lib/libXext/commit/?id=082d70b19848059ba78c9d1c315114fb07e8c0ef [2/6] http://cgit.freedesktop.org/xorg/lib/libXext/commit/?id=96d1da55a08c4cd52b763cb07bdce5cdcbec4da8 [3/6] http://cgit.freedesktop.org/xorg/lib/libXext/commit/?id=67ecdcf7e29de9fa78b421122620525ed2c7db88 [4/6] http://cgit.freedesktop.org/xorg/lib/libXext/commit/?id=6ecd96e8be3c33e2ffad6631cea4aa0a030d93c2 [5/6] http://cgit.freedesktop.org/xorg/lib/libXext/commit/?id=dfe6e1f3b8ede3d0bab7a5fa57f73513a09ec649 [6/6]
These issues affect the versions of the libXext package, as shipped with Fedora release of 17 and 18. Please schedule an update.
Created libXext tracking bugs for this issue Affects: fedora-all [bug 966684]
External References: http://www.x.org/wiki/Development/Security/Advisory-2013-05-23
All packages in stable, closing.
libXext-1.3.1-3.20130524gitdfe6e1f3b.fc18 has been pushed to the Fedora 18 stable repository. If problems still persist, please make note of it in this bug report.
This issue affects the version of libXext as shipped with Red Hat Enterprise Linux 5 and 6.
Statement: This issue affects the libXext package in Red Hat Enterprise Linux 5. Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not planned to be fixed in Red Hat Enterprise Linux 5 as it is now in Production 3 Phase of the support and maintenance life cycle: https://access.redhat.com/support/policy/updates/errata/
libXext-1.3.2-1.fc19 has been pushed to the Fedora 19 stable repository. If problems still persist, please make note of it in this bug report.
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Via RHSA-2014:1436 https://rhn.redhat.com/errata/RHSA-2014-1436.html