bugThe FreeType Project - Bugs: bug #43794, Segfaults in Type 42 and CFF driver

 
 

bug #43794: Segfaults in Type 42 and CFF driver

Submitted by:  None
Submitted on:  Wed 10 Dec 2014 04:20:52 PM UTC  
 
Severity: 3 - NormalItem Group: Crash
Status: FixedPrivacy: Public
Assigned to: Werner LEMBERG <wl>Open/Closed: Closed
Planned Release: 2.5.5

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Thu 11 Dec 2014 01:09:55 PM UTC, comment #1:

Already fixed in git, thanks.

Werner LEMBERG <wl>
Project AdministratorIn charge of this item.
Wed 10 Dec 2014 04:20:52 PM UTC, original submission:

Using AFL ( http://lcamtuf.coredump.cx/afl/ ) I have discovered a segfault when using a defective Type 42 font in FreeType as well as a null pointer dereference in the CFF driver. I'm not sure if this has any security implications. The file as well as the accompanying GDB output are attached.

Anonymous

 

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Attach File(s):
   
   
Comment:
   

Attached Files
file #32639:  id:000000,sig:11,src:000000,op:havoc,rep:16 added by None (2KiB - application/octet-stream)
file #32640:  id:000000,sig:11,src:000000,op:havoc,rep:16.gdb added by None (3KiB - application/octet-stream)
file #32641:  id:000001,sig:11,src:000000,op:havoc,rep:4 added by None (3KiB - application/octet-stream)
file #32642:  id:000001,sig:11,src:000000,op:havoc,rep:4.gdb added by None (887B - application/octet-stream)

 

Depends on the following items: None found

Items that depend on this one: None found

 

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    Follow 9 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Thu 11 Dec 2014 01:09:55 PM UTCwlStatusNone=>Fixed
      PrivacyPrivate=>Public
      Assigned toNone=>wl
      Open/ClosedOpen=>Closed
      Planned ReleaseNone=>2.5.5
    Wed 10 Dec 2014 04:20:52 PM UTCNoneAttached File-=>Added id:000000,sig:11,src:000000,op:havoc,rep:16, #32639
      Attached File-=>Added id:000000,sig:11,src:000000,op:havoc,rep:16.gdb, #32640
      Attached File-=>Added id:000001,sig:11,src:000000,op:havoc,rep:4, #32641
      Attached File-=>Added id:000001,sig:11,src:000000,op:havoc,rep:4.gdb, #32642

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