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Issue 705738 link

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Issue metadata

Status: Duplicate
Merged: issue 705821
Owner:
Last visit > 30 days ago
Closed: Mar 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security

Blocking:
issue pdfium:11



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Heap-buffer-overflow in SkiaState::ClipRestore

Project Member Reported by ClusterFuzz, Mar 27 2017

Issue description

Project Member

Comment 1 by sheriffbot@chromium.org, Mar 28 2017

Labels: M-59
Project Member

Comment 2 by sheriffbot@chromium.org, Mar 28 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, Mar 28 2017

Labels: Pri-1

Comment 4 by ta...@google.com, Mar 29 2017

Components: Internals>Skia>PDF
Owner: caryclark@chromium.org
Status: Assigned (was: Untriaged)
Project Member

Comment 5 by ClusterFuzz, Mar 29 2017

ClusterFuzz has detected this issue as fixed in range 460158:460200.

Detailed report: https://clusterfuzz.com/testcase?key=6697632715243520

Fuzzer: libfuzzer_pdfium_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 4
Crash Address: 0x60400003245c
Crash State:
  SkiaState::ClipRestore
  CFX_SkiaDeviceDriver::RestoreState
  CFX_RenderDevice::RestoreState
  
Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=459786:459815
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=460158:460200

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv95cGRbHNZF67OlQ6H0s5KIHArxIF0oA_K_7CoZ3LGnQDOR630vAdRbnRSE1YWR1Pcg1LROgDZIEIu5MlBaSnIs652Qj6KxLmqOWqjciBgI02sSisdBcVVXLqPS-B_pn282my-D-gXNId8KMT3g-ftE6czH5HP7l2-aNv8HFgl5_7RQMbHBPOjE7dV6jYIuywnICpj-pamY4itSc7J_eb9hrk6yJbXCQ99Zz4rR4N1F-YadP-dyEsArLSgVw5c23S1VLiGQoCrByyzb1zw3XDZHsshXGOZCHjo6x65jJa1lJ2rRKf4Ezt8CUxjRIEhCRtPTEywI4gklruciHxKI5sNzAE2Om8SvKwl8chlmb7JB2Br48tFZTRf_f_eZu3v16wlhkBmcJrqIdYBl0c3TXTv6DTyd09A?testcase_id=6697632715243520


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 6 by ClusterFuzz, Mar 29 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6697632715243520 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Blocking: pdfium:11
Cc: dsinclair@chromium.org
Owner: caryclark@google.com
Project Member

Comment 8 by sheriffbot@chromium.org, Mar 29 2017

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Labels: -ReleaseBlock-Beta
Mergedinto: 705821
Status: Duplicate (was: Verified)
Project Member

Comment 11 by sheriffbot@chromium.org, Jul 24 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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