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Issue 636452 link

Starred by 1 user
Status: WontFix
Owner: ----
Closed: Aug 2016
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: ----
Type: Bug-Security



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Heap-buffer-overflow in blink::FontFaceCreationParams::hash

Project Member Reported by ClusterFuzz, Aug 10 2016 
Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6707337064873984

Fuzzer: bj_broddelwerk
Job Type: windows_asan_chrome_no_sandbox
Platform Id: windows

Crash Type: Heap-buffer-overflow READ 2
Crash Address: 0x04a9d43b
Crash State:
  blink::FontFaceCreationParams::hash
  blink::FontCacheKeyHash::hash
  in
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=windows_asan_chrome_no_sandbox&range=410288:410785

Minimized Testcase (36.99 Kb): https://cluster-fuzz.appspot.com/download/AMIfv967R9C6YWMz8XnlSQHPsmEswnW4IPWMoxj6_bz5dbZxArq_K7Uz4gLaZ5zIJ5ZrMBvvpBUiGSYDloVFo_IlQvPj5G1sSV1SXpUT6T5ASZy1g6N7rCOBbp-xy23OCHlMeGtfiFMdiGYwhDkaxZSkYbtdEG_EpnfkdawBGunEkkzafSpb6IM?testcase_id=6707337064873984

Issue manually filed by: ochang

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

Comment 1 by och...@chromium.org, Aug 10 2016

Labels: Security_Impact-None
None of these seem to be reproducible in any other configuration, so these may be bogus. Security_Impact-None until we figure this out.

Comment 2 by infe...@chromium.org, Aug 24 2016

Status: WontFix (was: Untriaged)
These were all false positives, fixed with latest win asan builds.
Project Member

Comment 3 by sheriffbot@chromium.org, Nov 30 2016

Labels: -Restrict-View-SecurityTeam allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
►

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