FreeType 2.4.1 Memory corruption flaw by processing certain

2010.08.22
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-399


CVSS Base Score: 6.8/10
Impact Subscore: 6.4/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

A memory corruption flaw was found in the way FreeType font rendering engine processed certain Adobe Type 1 Mac Font File (LWFN) fonts. An attacker could use this flaw to create a specially-crafted font file that, when opened, would cause an application linked against libfreetype to crash, or, possibly execute arbitrary code. Upstream bug report: [1] https://savannah.nongnu.org/bugs/?30658 Public reproducer: [2] http://alt.swiecki.net/j/f/sigsegv31.ttf Upstream changeset: [3] http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=81f3472c0ba7b8f6466e2e214fa8c1c17fade975 References: [4] https://bugzilla.redhat.com/show_bug.cgi?id=621907 Credit: Robert Swiecki Could you allocate a CVE id for this? Thanks && Regards, Jan.

References:

http://www.securityfocus.com/bid/42285
https://savannah.nongnu.org/bugs/?30658
https://bugzilla.redhat.com/show_bug.cgi?id=621907
https://bugs.launchpad.net/ubuntu/maverick/+source/freetype/+bug/617019
http://www.vupen.com/english/advisories/2010/2106
http://www.vupen.com/english/advisories/2010/2018
http://www.ubuntu.com/usn/USN-972-1
http://sourceforge.net/projects/freetype/files/freetype2/2.4.2/NEWS/view
http://secunia.com/advisories/40982
http://secunia.com/advisories/40816
http://marc.info/?l=oss-security&m=128111955616772&w=2
http://marc.info/?l=oss-security&m=128110167119337&w=2
http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=81f3472c0ba7b8f6466e2e214fa8c1c17fade975
http://freetype.sourceforge.net/index2.html#release-freetype-2.4.2


Vote for this issue:
50%
50%


 

Thanks for you vote!


 

Thanks for you comment!
Your message is in quarantine 48 hours.

Comment it here.


(*) - required fields.  
{{ x.nick }} | Date: {{ x.ux * 1000 | date:'yyyy-MM-dd' }} {{ x.ux * 1000 | date:'HH:mm' }} CET+1
{{ x.comment }}

Copyright 2021, cxsecurity.com

 

Back to Top