New issue
Advanced search Search tips
Note: Color blocks (like or ) mean that a user may not be available. Tooltip shows the reason.

Issue 618027 link

Starred by 0 users

Issue metadata

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



Sign in to add a comment

Use-of-uninitialized-value in webrtc::H264::ParseRbsp

Project Member Reported by ClusterFuzz, Jun 7 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4719309243023360

Fuzzer: libfuzzer_h264_depacketizer_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  webrtc::H264::ParseRbsp
  webrtc::RtpDepacketizerH264::ProcessStapAOrSingleNalu
  webrtc::RtpDepacketizerH264::Parse
  
Recommended Security Severity: Medium

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

Minimized Testcase (2.00 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95CpPTTdmhx68WWV4YJE6VAsqoXNjWFNqf1IdhIA7gnE6GRZdXg1-UbMVMzSPE1exRjZU2d7RKW3HNGprMmqfYn-aQdu4jqdCR--H9QscuEWwDmpVT2Y0qX9lY3DlzuaWiJklzU33nTD0IkdNvAlxqaLLsFzg

Filer: aizatsky

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

Comment 1 by sheriffbot@chromium.org, Jun 8 2016

Labels: Pri-1
Project Member

Comment 2 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=4719309243023360

Fuzzer: libfuzzer_h264_depacketizer_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  webrtc::H264::ParseRbsp
  webrtc::RtpDepacketizerH264::ProcessStapAOrSingleNalu
  webrtc::RtpDepacketizerH264::Parse
  
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 (2.00 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96s5q9ruPYui9nyD1fFn64ZdbgiapmyN3BCSFjH-QQqYBx1ZWRNd1p7T-NgKUXwBC0u0-4Ruoy9_0FDK_RVWu0oKrrcQIHqjGLbZvz9aTFjk5f19ckrWOyRRWtI9GNus26--N7qvHg0nikL6dh6dm1KO64g8g

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.
Cc: mmoroz@chromium.org kcc@chromium.org pbos@chromium.org danilchap@chromium.org aizatsky@chromium.org
Components: Blink>WebRTC
Owner: sprang@chromium.org
Status: Fixed (was: Available)
Project Member

Comment 4 by ClusterFuzz, Jun 11 2016

Labels: Merge-NA
Project Member

Comment 5 by sheriffbot@chromium.org, Jun 11 2016

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

Comment 6 by sheriffbot@chromium.org, Sep 17 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 7 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 8 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

Sign in to add a comment