New issue
Advanced search Search tips

Issue 830256 link

Starred by 1 user

Issue metadata

Status: Verified
Owner:
Closed: Apr 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 1
Type: Bug-Security



Sign in to add a comment

Heap-buffer-overflow in display::EdidParser::ParseEdid

Project Member Reported by ClusterFuzz, Apr 8 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6313724038873088

Fuzzer: libFuzzer_edid_parser_fuzzer
Job Type: mac_libfuzzer_chrome_asan
Platform Id: mac

Crash Type: Heap-buffer-overflow READ 1
Crash Address: 0x60c000004a3e
Crash State:
  display::EdidParser::ParseEdid
  edid_parser_fuzzer.cc
  start
  
Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=548846:549017

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6313724038873088

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Apr 8 2018

Components: OS>Kernel>Graphics
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Project Member

Comment 2 by ClusterFuzz, Apr 8 2018

Labels: Test-Predator-Auto-Owner
Owner: mcasas@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/fc0f49d77d09b465611339be74f687ccffb0ec5e (Edid: make a class out of the edid parsing functions).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Project Member

Comment 3 by ClusterFuzz, Apr 9 2018

ClusterFuzz has detected this issue as fixed in range 549078:549079.

Detailed report: https://clusterfuzz.com/testcase?key=6313724038873088

Fuzzer: libFuzzer_edid_parser_fuzzer
Job Type: mac_libfuzzer_chrome_asan
Platform Id: mac

Crash Type: Heap-buffer-overflow READ 1
Crash Address: 0x60c000004a3e
Crash State:
  display::EdidParser::ParseEdid
  edid_parser_fuzzer.cc
  start
  
Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=548846:549017
Fixed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=549078:549079

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6313724038873088

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.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 4 by ClusterFuzz, Apr 9 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6313724038873088 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 5 by sheriffbot@chromium.org, Apr 9 2018

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

Comment 6 by sheriffbot@chromium.org, Jul 16

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 7 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1

Sign in to add a comment