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Issue 728669 link

Starred by 1 user
Status: Fixed
Owner:
tsepez@chromium.org
Closed: Jun 2017
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug-Security



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Heap-use-after-free in CFX_UnownedPtr<CCodec_GifModule::Delegate>::ProbeForLowSeverityLifetimeIssue

Project Member Reported by ClusterFuzz, Jun 1 2017 
Detailed report: https://clusterfuzz.com/testcase?key=5462617325043712

Fuzzer: libFuzzer_pdf_codec_gif_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Heap-use-after-free READ 1
Crash Address: 0x613000000748
Crash State:
  CFX_UnownedPtr<CCodec_GifModule::Delegate>::ProbeForLowSeverityLifetimeIssue
  CFX_UnownedPtr<CCodec_GifModule::Delegate>::~CFX_UnownedPtr
  CCodec_GifModule::~CCodec_GifModule
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5462617325043712


Issue manually filed by: tsepez

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

Comment 1 by tsepez@chromium.org, Jun 1 2017

Owner: tsepez@chromium.org
Status: Assigned (was: Untriaged)

Comment 2 by tsepez@chromium.org, Jun 1 2017 

Again, an oddball split of state between the module and its context.

Comment 4 by tsepez@chromium.org, Jun 1 2017

Status: Fixed (was: Assigned)
Project Member

Comment 5 by sheriffbot@chromium.org, Jun 2 2017

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

Comment 6 by sheriffbot@chromium.org, Sep 8 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
Project Member

Comment 7 by sheriffbot@chromium.org, Jul 28

Labels: Pri-2
►

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