Heap-based buffer overflow in the Lookup_MarkMarkPos function in the HarfBuzz...

Vulnerability Description

Heap-based buffer overflow in the Lookup_MarkMarkPos function in the HarfBuzz module (harfbuzz-gpos.c), as used by Qt before 4.7.4 and Pango, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted font file.

References

• http://secunia.com/advisories/46371
• http://git.gnome.org/browse/pango/commit/pango/opentype/harfbuzz-gpos.c?id=a7a715480db66148b1f487528887508a7991dcd0
• http://www.ubuntu.com/usn/USN-1504-1
• http://www.openwall.com/lists/oss-security/2011/08/24/8
• http://lists.opensuse.org/opensuse-updates/2011-10/msg00007.html
• http://secunia.com/advisories/41537
• http://secunia.com/advisories/46410
• http://rhn.redhat.com/errata/RHSA-2011-1327.html
• http://rhn.redhat.com/errata/RHSA-2011-1325.html
• http://www.openwall.com/lists/oss-security/2011/08/22/6
• http://secunia.com/advisories/46128
• http://rhn.redhat.com/errata/RHSA-2011-1324.html
• http://www.openwall.com/lists/oss-security/2011/08/25/1
• http://secunia.com/advisories/49895
• http://secunia.com/advisories/46117
• http://rhn.redhat.com/errata/RHSA-2011-1326.html
• http://secunia.com/advisories/46119
• http://www.securityfocus.com/bid/49723
• http://cgit.freedesktop.org/harfbuzz/commit/src/harfbuzz-gpos.c?id=da2c52abcd75d46929b34cad55c4fb2c8892bc08
• http://rhn.redhat.com/errata/RHSA-2011-1323.html
• https://hermes.opensuse.org/messages/12056605
• http://cgit.freedesktop.org/harfbuzz.old/commit/?id=81c8ef785b079980ad5b46be4fe7c7bf156dbf65
• http://rhn.redhat.com/errata/RHSA-2011-1328.html
• https://qt.gitorious.org/qt/qt/commit/9ae6f2f9a57f0c3096d5785913e437953fa6775c
• http://www.osvdb.org/75652
• http://secunia.com/advisories/46118
• https://exchange.xforce.ibmcloud.com/vulnerabilities/69991
• http://lists.opensuse.org/opensuse-updates/2011-10/msg00008.html