Closed
Bug 594926
Opened 14 years ago
Closed 14 years ago
Malformed font leads to crash in Apple's libTrueTypeScaler [@tiny_malloc_from_free_list]
Categories
(Core :: Graphics, defect)
Tracking
()
RESOLVED
FIXED
People
(Reporter: posidron, Assigned: jtd)
References
(Blocks 1 open bug)
Details
(Keywords: verified1.9.2, Whiteboard: [sg:vector-critical? (Apple)])
Attachments
(3 files)
Table: b'maxp'
Number of replaced values: 2
Offset: 6/0x000006 Value: ['00', '00', '00', '00', '00', '00', '00', '01']
Offset: 21/0x000015 Value: ['80', '00']
Execute the provided html file.
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Reporter | |
Comment 1•14 years ago
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Updated•14 years ago
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blocking2.0: --- → ?
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Assignee | |
Updated•14 years ago
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Assignee: nobody → jdaggett
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Reporter | |
Comment 2•14 years ago
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<maxp>
<tableVersion value="0x10000"/>
<numGlyphs value="571"/>
<maxPoints value="0"/>
<maxContours value="0"/>
<maxCompositePoints value="0"/>
<maxCompositeContours value="1"/>
<maxZones value="2"/>
<maxTwilightPoints value="0"/>
<maxStorage value="0"/>
<maxFunctionDefs value="128"/>
<maxInstructionDefs value="0"/>
<maxStackElements value="512"/>
<maxSizeOfInstructions value="777"/>
<maxComponentElements value="2"/>
<maxComponentDepth value="1"/>
</maxp>
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Reporter | |
Updated•14 years ago
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Summary: Malformed font leads to crash [@ATSUGetGlyphBounds/tiny_malloc_from_free_list] → Malformed font leads to crash [@tiny_malloc_from_free_list]
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Comment 3•14 years ago
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Per Joe these are likely exploitable on trunk with a slightly modified testcase, so marking that this applies to trunk as well.
Whiteboard: [sg:critical]
Version: 1.9.2 Branch → Trunk
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Updated•14 years ago
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Summary: Malformed font leads to crash [@tiny_malloc_from_free_list] → Malformed font leads to crash in Apple's libTrueTypeScaler [@tiny_malloc_from_free_list]
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Reporter | |
Comment 4•14 years ago
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Updated•14 years ago
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blocking2.0: ? → final+
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Assignee | |
Comment 5•14 years ago
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(In reply to comment #4)
> Created attachment 478731 [details]
> testcase-trunk
I can't reproduce a crash against trunk on 10.6.5 10H542 with either harfbuzz enabled or disabled. 1.9.2 goes down easily.
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Updated•14 years ago
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Whiteboard: [sg:critical] → [sg:vector-critical? (Apple)]
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Assignee | |
Comment 6•14 years ago
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No longer reproducible on 10.6.5 with either trunk or 1.9.2.latest:
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.13pre) Gecko/20101114 Namoroka/3.6.13pre
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:2.0b8pre) Gecko/20101114 Firefox/4.0b8pre
Status: NEW → RESOLVED
Closed: 14 years ago
Resolution: --- → FIXED
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Updated•14 years ago
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status1.9.2:
--- → .13-fixed
Depends on: CVE-2010-3768
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Comment 7•14 years ago
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Verified for 1.9.2 with Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.13pre) Gecko/20101117 Namoroka/3.6.13pre using testcase. Crash occurs with 1.9.2.12.
Keywords: verified1.9.2
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Comment 9•14 years ago
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Was this one of the bugs fixed in the latest Mac updates? Would like to un-hide the bug.
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Reporter | |
Comment 10•14 years ago
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Yes, the bug is fixed.
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Reporter | |
Updated•13 years ago
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Blocks: fuzzing-fonts
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Updated•11 years ago
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Group: core-security
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Description
•