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Issue 723644 link

Starred by 2 users

Issue metadata

Status: Fixed
Owner:
Closed: May 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: ----
Type: Bug-Security

Blocking:
issue 62400



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Heap-use-after-free in ~CFX_UnownedPtr

Project Member Reported by ClusterFuzz, May 17 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5199476775190528

Fuzzer: afl_pdfium_xfa_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Heap-use-after-free READ 1
Crash Address: 0x603000008f50
Crash State:
  ~CFX_UnownedPtr
  CPDFXFA_DocEnvironment::~CPDFXFA_DocEnvironment
  CPDFXFA_Context::~CPDFXFA_Context
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=472355:472392

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5199476775190528


Issue filed automatically.

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

Comment 1 by tsepez@chromium.org, May 17 2017

Cc: thestig@chromium.org dsinclair@chromium.org
Status: Available (was: Untriaged)
Blocking: 62400
Labels: -Security_Impact-Head Security_Impact-None
XFA bug.
Components: Internals>Plugins>PDF

Comment 4 by tsepez@chromium.org, May 18 2017

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

Comment 5 by tsepez@chromium.org, May 18 2017

Status: Started (was: Assigned)
CL at https://pdfium-review.googlesource.com/5656

Comment 6 by tsepez@chromium.org, May 18 2017

Status: Fixed (was: Started)
Subsequent roll should fix the issue.
Project Member

Comment 7 by ClusterFuzz, May 19 2017

ClusterFuzz has detected this issue as fixed in range 472682:472738.

Detailed report: https://clusterfuzz.com/testcase?key=5199476775190528

Fuzzer: afl_pdfium_xfa_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Heap-use-after-free READ 1
Crash Address: 0x603000008f50
Crash State:
  ~CFX_UnownedPtr
  CPDFXFA_DocEnvironment::~CPDFXFA_DocEnvironment
  CPDFXFA_Context::~CPDFXFA_Context
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=472355:472392
Fixed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=472682:472738

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5199476775190528


See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md 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 8 by sheriffbot@chromium.org, May 19 2017

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

Comment 9 by sheriffbot@chromium.org, Aug 25 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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