Vulnerability CVE-2011-3193

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

Vulnerability CVE-2011-3193

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)

9.3/10

10/10

8.6/10

Remote

Medium

No required

Complete

Complete

Complete

Affected software

References: