Vulnerability CVE-2011-0020
Published: 2011-01-24   Modified: 2012-02-13

Description:
Heap-based buffer overflow in the pango_ft2_font_render_box_glyph function in pango/pangoft2-render.c in libpango in Pango 1.28.3 and earlier, when the FreeType2 backend is enabled, allows user-assisted remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted font file, related to the glyph box for an FT_Bitmap object.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.6/10
10/10
4.9/10
Exploit range
Attack complexity
Authentication
Remote
High
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Pango -> Pango 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=671122
https://bugzilla.gnome.org/show_bug.cgi?id=639882
https://bugs.launchpad.net/ubuntu/+source/pango1.0/+bug/696616
http://xforce.iss.net/xforce/xfdb/64832
http://www.vupen.com/english/advisories/2011/0238
http://www.vupen.com/english/advisories/2011/0186
http://www.securitytracker.com/id?1024994
http://www.securityfocus.com/bid/45842
http://www.redhat.com/support/errata/RHSA-2011-0180.html
http://secunia.com/advisories/43100
http://secunia.com/advisories/42934
http://osvdb.org/70596
http://openwall.com/lists/oss-security/2011/01/20/2
http://openwall.com/lists/oss-security/2011/01/18/6
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
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