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Issue 822821 link

Starred by 1 user
Status: Verified
Owner:
ahass...@chromium.org
Closed: Mar 2018
Cc:
█ senj@chromium.org
█ de...@chromium.org
manojgupta@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 1
Type: Bug-Security



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Heap-buffer-overflow in BrotliCopyBytes

Project Member Reported by ClusterFuzz, Mar 16 2018 
Detailed report: https://clusterfuzz.com/testcase?key=5453991518142464

Fuzzer: libFuzzer_puffin_fuzzer
Job Type: libfuzzer_asan_chromeos
Platform Id: linux

Crash Type: Heap-buffer-overflow READ {*}
Crash Address: 0x60600000011d
Crash State:
  BrotliCopyBytes
  CopyUncompressedBlockToOutput
  BrotliDecoderDecompressStream
  
Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5453991518142464

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
Project Member

Comment 1 by sheriffbot@chromium.org, Mar 17 2018

Labels: M-66
Project Member

Comment 2 by sheriffbot@chromium.org, Mar 17 2018

Labels: Pri-1

Comment 3 by infe...@chromium.org, Mar 19 2018

Owner: ahass...@chromium.org
Status: Assigned (was: Untriaged)

Comment 4 by ahass...@chromium.org, Mar 19 2018

Cc: de...@chromium.org senj@chromium.org
Labels: -M-66 M-67

Comment 6 by cthomp@chromium.org, Mar 21 2018

Components: Internals>Network>Filters
Project Member

Comment 7 by ClusterFuzz, Mar 30 2018

Status: WontFix (was: Assigned)
ClusterFuzz testcase 5453991518142464 is flaky and no longer crashes, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

Comment 8 Deleted

Comment 9 by metzman@chromium.org, Jun 6 2018 

I think this was incorrectly marked WontFix because of an issue with the builds on ClusterFuzz.

Comment 10 by ahass...@chromium.org, Jun 6 2018 

And how you confirmed this? Manual test?

Comment 11 by ahass...@chromium.org, Jun 6 2018 

Sorry, I think you meant that it was actually fixed and should've have marked as wontfix. Please ignore my last comment. Thanks.
Project Member

Comment 12 by sheriffbot@chromium.org, Jun 7 2018

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Project Member

Comment 13 by sheriffbot@chromium.org, Jul 7

Labels: -Restrict-View-SecurityNotify 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

Comment 14 by manojgupta@chromium.org, Aug 13

Cc: -manojgupta@google.com manojgupta@chromium.org
►

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