New issue
Advanced search Search tips

Issue 726276 link

Starred by 1 user

Issue metadata

Status: Verified
Owner: ----
Closed: May 2017
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug-Security



Sign in to add a comment

Heap-use-after-free in blink::LayoutText::SetText

Project Member Reported by ClusterFuzz, May 25 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5686342909689856

Fuzzer: mbarbella_webcomponents
Job Type: windows_asan_content_shell
Platform Id: windows

Crash Type: Heap-use-after-free READ 4
Crash Address: 0x2a121110
Crash State:
  blink::LayoutText::SetText
  blink::LayoutTextFragment::SetTextFragment
  blink::FirstLetterPseudoElement::DetachLayoutTree
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=474130:474153

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5686342909689856


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Project Member

Comment 1 by sheriffbot@chromium.org, May 25 2017

Labels: M-60
Project Member

Comment 2 by sheriffbot@chromium.org, May 25 2017

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 3 by sheriffbot@chromium.org, May 25 2017

Labels: Pri-1
Project Member

Comment 4 by ClusterFuzz, May 25 2017

ClusterFuzz has detected this issue as fixed in range 474241:474249.

Detailed report: https://clusterfuzz.com/testcase?key=5686342909689856

Fuzzer: mbarbella_webcomponents
Job Type: windows_asan_content_shell
Platform Id: windows

Crash Type: Heap-use-after-free READ 4
Crash Address: 0x2a121110
Crash State:
  blink::LayoutText::SetText
  blink::LayoutTextFragment::SetTextFragment
  blink::FirstLetterPseudoElement::DetachLayoutTree
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=474130:474153
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=474241:474249

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5686342909689856


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs 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 5 by ClusterFuzz, May 25 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 5686342909689856 is verified as fixed, so closing issue.

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

Comment 6 by sheriffbot@chromium.org, May 26 2017

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

Comment 8 by sheriffbot@chromium.org, Sep 1 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

Sign in to add a comment