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Issue metadata

Status: Verified
Owner: ----
Closed: Nov 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Heap-use-after-free in CPDFSDK_WidgetHandler::ReleaseAnnot

Project Member Reported by ClusterFuzz, Nov 9 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6583707953790976

Fuzzer: ifratric_pdf_generic
Job Type: linux_asan_pdfium
Platform Id: linux

Crash Type: Heap-use-after-free READ 8
Crash Address: 0x60b000000d60
Crash State:
  CPDFSDK_WidgetHandler::ReleaseAnnot
  CPDFSDK_PageView::~CPDFSDK_PageView
  FPDFDOC_ExitFormFillEnvironment
  
Recommended Security Severity: High

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_pdfium&range=424757:424939

Minimized Testcase (388.46 Kb): https://cluster-fuzz.appspot.com/download/AMIfv955Kkg2jWp3g7GokeOykUXUmx02_kIDjopk--F7G7JHp2YaVmyrCpRTr8ZHhqf48VN9CA3d5IZV3naZz5GWhf5Yqg-xKaAsstsMnkMsv7k1Z9wb1dAJCalbPsDpOurtkDY4OCOAiIbNVgai0gfTb5JYSikit8UwZHxlBEOa0FjCygx7X9A?testcase_id=6583707953790976

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 9 2016

ClusterFuzz has detected this issue as fixed in range 430773:430834.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6583707953790976

Fuzzer: ifratric_pdf_generic
Job Type: linux_asan_pdfium
Platform Id: linux

Crash Type: Heap-use-after-free READ 8
Crash Address: 0x60b000000d60
Crash State:
  CPDFSDK_WidgetHandler::ReleaseAnnot
  CPDFSDK_PageView::~CPDFSDK_PageView
  FPDFDOC_ExitFormFillEnvironment
  
Recommended Security Severity: High

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_pdfium&range=424757:424939
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_pdfium&range=430773:430834

Minimized Testcase (388.46 Kb): https://cluster-fuzz.appspot.com/download/AMIfv955Kkg2jWp3g7GokeOykUXUmx02_kIDjopk--F7G7JHp2YaVmyrCpRTr8ZHhqf48VN9CA3d5IZV3naZz5GWhf5Yqg-xKaAsstsMnkMsv7k1Z9wb1dAJCalbPsDpOurtkDY4OCOAiIbNVgai0gfTb5JYSikit8UwZHxlBEOa0FjCygx7X9A?testcase_id=6583707953790976

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 2 by ClusterFuzz, Nov 9 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
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 3 by sheriffbot@chromium.org, Nov 9 2016

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

Comment 4 by sheriffbot@chromium.org, Feb 15 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 5 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1

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