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Issue metadata

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



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Issue 726503: Heap-use-after-free in CPDF_Parser::SetEncryptHandler

Reported by ClusterFuzz, May 25 2017 Project Member

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5118579505889280

Fuzzer: ifratric_pdf_generic
Job Type: linux_asan_pdfium
Platform Id: linux

Crash Type: Heap-use-after-free READ 1
Crash Address: 0x604000001710
Crash State:
  CPDF_Parser::SetEncryptHandler
  CPDF_Parser::StartParse
  FPDF_LoadCustomDocument
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_pdfium&range=474198:474215

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5118579505889280


Issue filed automatically.

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

Comment 1 by sheriffbot@chromium.org, May 26 2017

Project Member
Labels: M-60

Comment 2 by sheriffbot@chromium.org, May 26 2017

Project Member
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

Comment 3 by sheriffbot@chromium.org, May 26 2017

Project Member
Labels: Pri-1

Comment 4 by kenrb@chromium.org, May 26 2017

Cc: dsinclair@chromium.org
Owner: tsepez@chromium.org
Status: Assigned (was: Untriaged)
This has a PDFium regression range with only 2 changes, so might be easy to work out.

Comment 5 by kenrb@chromium.org, May 26 2017

Components: Internals>Plugins>PDF

Comment 6 by tsepez@chromium.org, May 26 2017

Labels: -Security_Severity-High Security_Severity-Low
UnownedPtr::Probe is severity low.

Comment 8 by ClusterFuzz, May 27 2017

Project Member
ClusterFuzz has detected this issue as fixed in range 475134:475164.

Detailed report: https://clusterfuzz.com/testcase?key=5118579505889280

Fuzzer: ifratric_pdf_generic
Job Type: linux_asan_pdfium
Platform Id: linux

Crash Type: Heap-use-after-free READ 1
Crash Address: 0x604000001710
Crash State:
  CPDF_Parser::SetEncryptHandler
  CPDF_Parser::StartParse
  FPDF_LoadCustomDocument
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_pdfium&range=474198:474215
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_pdfium&range=475134:475164

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5118579505889280


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.

Comment 9 by ClusterFuzz, May 27 2017

Project Member
Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5118579505889280 is verified as fixed, so closing issue.

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

Comment 10 by sheriffbot@chromium.org, May 27 2017

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

Comment 11 by awhalley@chromium.org, Jun 6 2017

Labels: -ReleaseBlock-Beta

Comment 12 by sheriffbot@chromium.org, Sep 2 2017

Project Member
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

Comment 13 by sheriffbot@chromium.org, Jul 28 2018

Project Member
Labels: -Pri-1 Pri-2

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