Vulnerability CVE-2011-3193


Published: 2012-06-15   Modified: 2012-06-16

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.

CVSS2 => (AV:N/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
QT -> QT 
Pango -> Pango 
Nokia -> QT 
Digia -> QT 

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

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