CVE-2011-3193
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 7.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 7.2% in the next 30 days (EPSS).
- Severity: 9.3 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 7.2% · EPSS, next 30 days
- Weakness
- CWE-787 · Out-of-bounds write
- Record status
- Modified
Affected
- Gnome Pango < 1.25.1
- Qt < 4.7.4
- Canonical Ubuntu Linux 10.04
- Canonical Ubuntu Linux 11.04
- Redhat Enterprise Linux Desktop 4.0
- Redhat Enterprise Linux Desktop 5.0
- Redhat Enterprise Linux Desktop 6.0
- Redhat Enterprise Linux Eus 6.1
Attack profile CVSS 2.0 · 9.3
- Attack vector
- Network
- Complexity
- Medium
- Authentication
- None
- Confidentiality
- Complete
- Integrity
- Complete
- Availability
- Complete
Raw vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2011-3193.md and follow it. Check whether this project is affected by CVE-2011-3193. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://cgit.freedesktop.org/harfbuzz.old/commit/?id=81c8ef785b079980ad5b46be4fe7c7bf156dbf65
- http://cgit.freedesktop.org/harfbuzz/commit/src/harfbuzz-gpos.c?id=da2c52abcd75d46929b34cad55c4fb2c8892bc08
- http://git.gnome.org/browse/pango/commit/pango/opentype/harfbuzz-gpos.c?id=a7a715480db66148b1f487528887508a7991dcd0
- https://qt.gitorious.org/qt/qt/commit/9ae6f2f9a57f0c3096d5785913e437953fa6775c
- http://cgit.freedesktop.org/harfbuzz.old/commit/?id=81c8ef785b079980ad5b46be4fe7c7bf156dbf65
- http://cgit.freedesktop.org/harfbuzz/commit/src/harfbuzz-gpos.c?id=da2c52abcd75d46929b34cad55c4fb2c8892bc08
- http://git.gnome.org/browse/pango/commit/pango/opentype/harfbuzz-gpos.c?id=a7a715480db66148b1f487528887508a7991dcd0
- https://qt.gitorious.org/qt/qt/commit/9ae6f2f9a57f0c3096d5785913e437953fa6775c
References
- http://cgit.freedesktop.org/harfbuzz.old/commit/?id=81c8ef785b079980ad5b46be4fe7c7bf156dbf65
- http://cgit.freedesktop.org/harfbuzz/commit/src/harfbuzz-gpos.c?id=da2c52abcd75d46929b34cad55c4fb2c8892bc08
- http://git.gnome.org/browse/pango/commit/pango/opentype/harfbuzz-gpos.c?id=a7a715480db66148b1f487528887508a7991dcd0
- http://lists.opensuse.org/opensuse-updates/2011-10/msg00007.html
- http://lists.opensuse.org/opensuse-updates/2011-10/msg00008.html
- http://rhn.redhat.com/errata/RHSA-2011-1323.html
- http://rhn.redhat.com/errata/RHSA-2011-1324.html
- http://rhn.redhat.com/errata/RHSA-2011-1325.html
- http://rhn.redhat.com/errata/RHSA-2011-1326.html
- http://rhn.redhat.com/errata/RHSA-2011-1327.html
- http://rhn.redhat.com/errata/RHSA-2011-1328.html
- http://secunia.com/advisories/41537
- http://secunia.com/advisories/46117
- http://secunia.com/advisories/46118
- http://secunia.com/advisories/46119
- http://secunia.com/advisories/46128
- http://secunia.com/advisories/46371
- http://secunia.com/advisories/46410
- http://secunia.com/advisories/49895
- http://www.openwall.com/lists/oss-security/2011/08/22/6
- http://www.openwall.com/lists/oss-security/2011/08/24/8
- http://www.openwall.com/lists/oss-security/2011/08/25/1
- http://www.osvdb.org/75652
- http://www.securityfocus.com/bid/49723
- http://www.ubuntu.com/usn/USN-1504-1