New issue
Advanced search Search tips

Issue 646348 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 644733
Owner: ----
Closed: Sep 2016
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: ----
Type: Bug-Security



Sign in to add a comment

Heap-buffer-overflow in blink::LazyLineBreakIterator::nextBreakablePositionIgnoringNBSP

Project Member Reported by ClusterFuzz, Sep 13 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5056316945203200

Fuzzer: inferno_twister
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 2
Crash Address: 0x61200002cb72
Crash State:
  blink::LazyLineBreakIterator::nextBreakablePositionIgnoringNBSP
  blink::BreakingContext::handleText
  blink::LineBreaker::nextLineBreak
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=417948:418041

Minimized Testcase (0.25 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94GOuAB8HG8H5IPyWVYxf43gXuwQrTSS2-RJNxdlq5JZOGEMixFyLPusp3houVsPsu6Acy6WhlvesyavOywA4apj-Gj7JRbXrSRldMKwjjmXZyHGcB6sgAOxlUoh8h0EyhaNYFF_yAn5uVA3EMrbYqj-gSYsA?testcase_id=5056316945203200

Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Mergedinto: 644733
Status: Duplicate (was: Untriaged)
Project Member

Comment 2 by ClusterFuzz, Sep 14 2016

ClusterFuzz has detected this issue as fixed in range 418377:418451.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5056316945203200

Fuzzer: inferno_twister
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 2
Crash Address: 0x61200002cb72
Crash State:
  blink::LazyLineBreakIterator::nextBreakablePositionIgnoringNBSP
  blink::BreakingContext::handleText
  blink::LineBreaker::nextLineBreak
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=417948:418041
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=418377:418451

Minimized Testcase (0.25 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94GOuAB8HG8H5IPyWVYxf43gXuwQrTSS2-RJNxdlq5JZOGEMixFyLPusp3houVsPsu6Acy6WhlvesyavOywA4apj-Gj7JRbXrSRldMKwjjmXZyHGcB6sgAOxlUoh8h0EyhaNYFF_yAn5uVA3EMrbYqj-gSYsA?testcase_id=5056316945203200

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 3 by sheriffbot@chromium.org, Dec 22 2016

Labels: -Restrict-View-SecurityTeam 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