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Issue 760056 link

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Issue metadata

Status: Verified
Owner: ----
Closed: Aug 2017
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Heap-use-after-free in TetrahedralInterpFloat

Project Member Reported by ClusterFuzz, Aug 29 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6495241709551616

Fuzzer: afl_pdf_codec_icc_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Heap-use-after-free READ 4
Crash Address: 0x608000002024
Crash State:
  TetrahedralInterpFloat
  _LUTevalFloat
  XFormSampler16
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=420425:420578

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6495241709551616

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Aug 29 2017

ClusterFuzz has detected this issue as fixed in range 496604:497767.

Detailed report: https://clusterfuzz.com/testcase?key=6495241709551616

Fuzzer: afl_pdf_codec_icc_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Heap-use-after-free READ 4
Crash Address: 0x608000002024
Crash State:
  TetrahedralInterpFloat
  _LUTevalFloat
  XFormSampler16
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=420425:420578
Fixed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=496604:497767

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6495241709551616

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

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
Project Member

Comment 2 by ClusterFuzz, Aug 29 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 6495241709551616 is verified as fixed, so closing issue as verified.

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

Comment 3 by sheriffbot@chromium.org, Aug 29 2017

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

Comment 4 by sheriffbot@chromium.org, Dec 5 2017

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
Project Member

Comment 5 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1

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