Bug 240200 (CVE-2007-2754)

Summary: CVE-2007-2754 freetype integer overflow
Product: [Other] Security Response Reporter: Josh Bressers <bressers>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: kreilly
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Hardware: All   
OS: Linux   
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Fixed In Version: Doc Type: Bug Fix
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Last Closed: 2007-12-19 10:37:44 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 240573, 240574, 240575, 240577, 484441, 484442, 484443, 484444, 502565    
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Description Flags
Proposed upstream patch
none
proposed backported patch to freetype1 none

Description Josh Bressers 2007-05-15 18:57:20 UTC 
Victor Stinner discovered an integer overflow bug in the way freetype processed
malformed TTF fonts:
http://lists.gnu.org/archive/html/freetype-devel/2007-04/msg00041.html

The patch can be found here:
http://cvs.savannah.nongnu.org/viewvc/freetype2/src/truetype/ttgload.c?root=freetype&r1=1.177&r2=1.178

It appears that this flaw will result in a heap overflow condition:

    flag_limit = flag + n_points;
...
    while ( flag < flag_limit )
    {
...
      *flag++ = c = FT_NEXT_BYTE( p );
Comment 1 Josh Bressers 2007-05-15 18:57:20 UTC 
Created attachment 154762 [details]
Proposed upstream patch
Comment 3 Tomas Hoger 2007-12-19 10:37:44 UTC 
Problem was fixed in affected Red Hat Enterprise Linux:

  http://rhn.redhat.com/errata/RHSA-2007-0403.html

and Fedora versions.
Comment 5 Vincent Danen 2009-04-16 17:21:25 UTC 
Created attachment 339881 [details]
proposed backported patch to freetype1
Comment 6 errata-xmlrpc 2009-05-22 12:06:35 UTC 
This issue has been addressed in following products:

  Red Hat Enterprise Linux 2.1

Via RHSA-2009:1062 https://rhn.redhat.com/errata/RHSA-2009-1062.html
Comment 7 errata-xmlrpc 2009-05-22 12:22:25 UTC 
This issue has been addressed in following products:

  Red Hat Enterprise Linux 3
  Red Hat Enterprise Linux 4

Via RHSA-2009:0329 https://rhn.redhat.com/errata/RHSA-2009-0329.html