critical
9.3
CWE
787 119
Advisory Published
Updated

CVE-2011-3193: Buffer Overflow

First published: Sat Jun 16 2012(Updated: )

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.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Trolltech Qt<4.7.4
Pango<1.25.1
Ubuntu=11.04
Ubuntu=10.04
Red Hat Enterprise Linux Server=5.0
Red Hat Enterprise Linux Workstation=5.0
Red Hat Enterprise Linux Desktop=6.0
Red Hat Enterprise Linux Server=6.0
Red Hat Enterprise Linux Workstation=6.0
Red Hat Enterprise Linux Desktop=4.0
Red Hat Enterprise Linux Desktop=5.0
Red Hat Enterprise Linux Server=4.0
Red Hat Enterprise Linux Workstation=4.0
Red Hat Enterprise Linux Server EUS=6.1
openSUSE=11.4
openSUSE=11.3

Remedy

http://cgit.freedesktop.org/harfbuzz.old/commit/?id=81c8ef785b079980ad5b46be4fe7c7bf156dbf65

Remedy

http://cgit.freedesktop.org/harfbuzz/commit/src/harfbuzz-gpos.c?id=da2c52abcd75d46929b34cad55c4fb2c8892bc08

Remedy

http://git.gnome.org/browse/pango/commit/pango/opentype/harfbuzz-gpos.c?id=a7a715480db66148b1f487528887508a7991dcd0

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2011-3193?

    CVE-2011-3193 is classified as a high severity vulnerability due to its potential to cause a denial of service and execute arbitrary code.

  • How do I fix CVE-2011-3193?

    To fix CVE-2011-3193, you should update to versions of Qt later than 4.7.4 and Pango later than 1.25.1.

  • What systems are affected by CVE-2011-3193?

    CVE-2011-3193 affects various systems including Qt versions before 4.7.4, Pango versions before 1.25.1, and multiple versions of Red Hat and Ubuntu distributions.

  • What type of attack can exploit CVE-2011-3193?

    CVE-2011-3193 can be exploited through crafted font files, allowing remote attackers to crash the application or potentially execute arbitrary code.

  • Is there a patch available for CVE-2011-3193?

    Yes, patches and updated versions are available for affected software to mitigate the risks posed by CVE-2011-3193.

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