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Issue 724460 link

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Issue metadata

Status: Verified
Owner:
Closed: May 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows
Pri: 2
Type: Bug-Security



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Heap-use-after-free in CPDF_ImageCacheEntry::~CPDF_ImageCacheEntry

Project Member Reported by ClusterFuzz, May 19 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5640184577392640

Fuzzer: ifratric_pdf_generic
Job Type: linux_asan_pdfium
Platform Id: linux

Crash Type: Heap-use-after-free READ 1
Crash Address: 0x6050000df540
Crash State:
  CPDF_ImageCacheEntry::~CPDF_ImageCacheEntry
  CPDF_PageRenderCache::~CPDF_PageRenderCache
  CPDF_Page::~CPDF_Page
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_pdfium&range=473072:473106

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5640184577392640


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 19 2017

Labels: M-60
Project Member

Comment 2 by sheriffbot@chromium.org, May 19 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 19 2017

Labels: Pri-1

Comment 4 by vakh@chromium.org, May 19 2017

Components: Internals>Plugins>PDF
Owner: dsinclair@chromium.org

Comment 5 by vakh@chromium.org, May 19 2017

Cc: tsepez@chromium.org
Status: Assigned (was: Untriaged)
Project Member

Comment 7 by ClusterFuzz, May 20 2017

Labels: OS-Windows

Comment 8 by tsepez@chromium.org, May 22 2017

Labels: -Security_Severity-High Security_Severity-Low
Probe() => sev low.

Comment 9 by tsepez@chromium.org, May 22 2017

Cc: thestig@chromium.org
Project Member

Comment 10 by sheriffbot@chromium.org, May 23 2017

Labels: -Pri-1 Pri-2
Should have been fixed by d15ce4c.
C#11 is wrong, https://pdfium-review.googlesource.com/5771 is the pending fix.
Project Member

Comment 13 by ClusterFuzz, May 25 2017

ClusterFuzz has detected this issue as fixed in range 474149:474177.

Detailed report: https://clusterfuzz.com/testcase?key=5640184577392640

Fuzzer: ifratric_pdf_generic
Job Type: linux_asan_pdfium
Platform Id: linux

Crash Type: Heap-use-after-free READ 1
Crash Address: 0x6050000df540
Crash State:
  CPDF_ImageCacheEntry::~CPDF_ImageCacheEntry
  CPDF_PageRenderCache::~CPDF_PageRenderCache
  CPDF_Page::~CPDF_Page
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_pdfium&range=473072:473106
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_pdfium&range=474149:474177

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5640184577392640


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 14 by ClusterFuzz, May 25 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5640184577392640 is verified as fixed, so closing issue.

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

Comment 15 by sheriffbot@chromium.org, May 25 2017

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

Comment 17 by sheriffbot@chromium.org, Aug 31 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

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