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Issue metadata

Status: Verified
Owner:
Closed: Jul 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 1
Type: Bug-Security



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Heap-use-after-free in CJS_Timer::KillJSTimer

Project Member Reported by ClusterFuzz, Jul 29 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5086322968756224

Fuzzer: ifratric_pdf_generic
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Heap-use-after-free READ 4
Crash Address: 0x60c000108bc8
Crash State:
  CJS_Timer::KillJSTimer
  app::TimerProc
  CJS_Timer::TimerProc
  
Recommended Security Severity: High

Regressed: https://cluster-fuzz.appspot.com/revisions?job=mac_asan_chrome&range=406033:406232

Minimized Testcase (12375.99 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95X9XmN3Hpgmx8p-Q4mywtC-MH8LYeC8Pg5y4MJuGjAf-RmGHOSfEvXyOCQUXuIsOkYp5OXCEsxaKnv87U6DRbQhCX5N9d5OehN0ckbFIfRWaFJNuqpvOSCPlgT_UEn3ZOJTxZwfK0PGUbxJiFi6OmV5vh964KcSNDXtued0IpoV0PNJKQ?testcase_id=5086322968756224

Filer: tanin

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

Comment 1 by rickyz@chromium.org, Jul 29 2016

Components: Internals>Plugins>PDF
Owner: tsepez@chromium.org
Status: Assigned (was: Untriaged)
Hey, mind taking a look/assigning to the right person (or is there a better person to send pdfium bugs to nowadays)? Thanks!
Project Member

Comment 2 by sheriffbot@chromium.org, Jul 30 2016

Labels: M-54
Project Member

Comment 3 by sheriffbot@chromium.org, Jul 30 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 4 by sheriffbot@chromium.org, Jul 30 2016

Labels: Pri-1
Project Member

Comment 5 by ClusterFuzz, Jul 31 2016

ClusterFuzz has detected this issue as fixed in range 408642:408661.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5086322968756224

Fuzzer: ifratric_pdf_generic
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Heap-use-after-free READ 4
Crash Address: 0x60c000108bc8
Crash State:
  CJS_Timer::KillJSTimer
  app::TimerProc
  CJS_Timer::TimerProc
  
Recommended Security Severity: High

Regressed: https://cluster-fuzz.appspot.com/revisions?job=mac_asan_chrome&range=406033:406232
Fixed: https://cluster-fuzz.appspot.com/revisions?job=mac_asan_chrome&range=408642:408661

Minimized Testcase (12375.99 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95X9XmN3Hpgmx8p-Q4mywtC-MH8LYeC8Pg5y4MJuGjAf-RmGHOSfEvXyOCQUXuIsOkYp5OXCEsxaKnv87U6DRbQhCX5N9d5OehN0ckbFIfRWaFJNuqpvOSCPlgT_UEn3ZOJTxZwfK0PGUbxJiFi6OmV5vh964KcSNDXtued0IpoV0PNJKQ?testcase_id=5086322968756224

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 6 by ClusterFuzz, Jul 31 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 7 by sheriffbot@chromium.org, Jul 31 2016

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

Comment 8 by sheriffbot@chromium.org, Nov 6 2016

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

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