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Issue metadata

Status: Fixed
Owner:
Closed: Jun 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security

Blocked on:
issue 617097



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Use-of-uninitialized-value in webrtc::RtpDepacketizerH264::ProcessStapAOrSingleNalu

Project Member Reported by ClusterFuzz, Jun 6 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5733923149840384

Fuzzer: libfuzzer_h264_depacketizer_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  webrtc::RtpDepacketizerH264::ProcessStapAOrSingleNalu
  webrtc::RtpDepacketizerH264::Parse
  webrtc::FuzzOneInput
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=397381:397497

Minimized Testcase (0.05 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94UzLUW_-jlfpjxSn9Xin8_3cbRRdTDykg94nobRJxbmkCBmqsaJAi4iGWxKTuP4vX24ok1-HtLpzDDzjwq0bjZ13tOiGTxpbtF-fjBI-BsfpMHHQ44RdhW5xxJ7fN-likbBv60pAUeODqJc5MuoYyluVLmUg

Filer: mmoroz

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Blockedon: 617097
Cc: mmoroz@chromium.org kcc@chromium.org aizatsky@chromium.org
Owner: pbos@chromium.org
Stack kooks very similar to  bug 617097 .
Project Member

Comment 2 by ClusterFuzz, Jun 6 2016

Status: Assigned (was: Available)
Project Member

Comment 3 by sheriffbot@chromium.org, Jun 6 2016

Labels: Pri-1

Comment 4 by pbos@chromium.org, Jun 6 2016

Cc: pbos@chromium.org
Owner: sprang@chromium.org

Comment 5 by f...@chromium.org, Jun 6 2016

Components: Blink>WebRTC
Labels: M-53
Project Member

Comment 6 by sheriffbot@chromium.org, Jun 7 2016

Labels: ReleaseBlock-Beta
This issue is a security regression. If you are not able to fix this quickly, please revert the change that introduced it.

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

Comment 7 by ClusterFuzz, Jun 10 2016

ClusterFuzz has detected this issue as fixed in range 398314:399191.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5733923149840384

Fuzzer: libfuzzer_h264_depacketizer_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  webrtc::RtpDepacketizerH264::ProcessStapAOrSingleNalu
  webrtc::RtpDepacketizerH264::Parse
  webrtc::FuzzOneInput
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=397381:397497
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=398314:399191

Minimized Testcase (0.05 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97m0tsX8B0yz2Fa6XD6gVDHrJnI_GxBoSQ2kkvVmdb1QnhAQl7PM4VyzBYWgwXhoIqQUv69XER2FNc-ptgPCMHSFQZGSD7M_cYlpnU8KxJQCKTIAzIluJYeZxLyUPlS5mmgY90SW1tyJOirA00uPOkQq1yisg

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 8 by ClusterFuzz, Jun 13 2016

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

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

Comment 9 by ClusterFuzz, Jun 14 2016

Labels: Merge-NA
Project Member

Comment 10 by sheriffbot@chromium.org, Jun 14 2016

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Labels: -ClusterFuzz-Verified
Status: Assigned (was: Verified)
Sorry for the incorrect ClusterFuzz update, please ignore it. Reopening bug.
Project Member

Comment 12 by ClusterFuzz, Jun 15 2016

Status: Fixed (was: Assigned)
Please mark security bugs as fixed as soon as the fix lands, and before requesting merges.

- Your friendly ClusterFuzz
Project Member

Comment 13 by ClusterFuzz, Jul 27 2016

ClusterFuzz has detected this issue as fixed in range 398314:399191.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5733923149840384

Fuzzer: libfuzzer_h264_depacketizer_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  webrtc::RtpDepacketizerH264::ProcessStapAOrSingleNalu
  webrtc::RtpDepacketizerH264::Parse
  webrtc::FuzzOneInput
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=397381:397497
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=398314:399191

Minimized Testcase (0.05 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97m0tsX8B0yz2Fa6XD6gVDHrJnI_GxBoSQ2kkvVmdb1QnhAQl7PM4VyzBYWgwXhoIqQUv69XER2FNc-ptgPCMHSFQZGSD7M_cYlpnU8KxJQCKTIAzIluJYeZxLyUPlS5mmgY90SW1tyJOirA00uPOkQq1yisg?testcase_id=5733923149840384

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.
Marked as fixed in M53, removing ReleaseBlock-Beta
Labels: -ReleaseBlock-Beta
Project Member

Comment 16 by sheriffbot@chromium.org, Sep 21 2016

Labels: -Restrict-View-SecurityNotify
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 17 by sheriffbot@chromium.org, Oct 1 2016

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 18 by sheriffbot@chromium.org, Oct 2 2016

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
Labels: allpublic

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