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Issue 678529 link

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Issue metadata

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



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Heap-buffer-overflow in _get_bitmap_surface

Project Member Reported by ClusterFuzz, Jan 5 2017

Issue description

Project Member

Comment 1 by sheriffbot@chromium.org, Jan 5 2017

Labels: Pri-2
Components: Blink>Fonts
Owner: bunge...@chromium.org
Status: Available (was: Untriaged)
Another issue with out-of-dated freetype2 that is being used for testing only. We've seen it previously ( issue 656936 ), but it was a flaky testcase.
Project Member

Comment 3 by sheriffbot@chromium.org, Jan 6 2017

Status: Assigned (was: Available)
Project Member

Comment 4 by ClusterFuzz, Jan 10 2017

ClusterFuzz has detected this issue as fixed in range 441510:441524.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5900875571920896

Fuzzer: inferno_twister_custom_bundle
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 4
Crash Address: 0x60a001ef815a
Crash State:
  _get_bitmap_surface
  
Sanitizer: address (ASAN)

Recommended Security Severity: Low

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=297214:297254
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=441510:441524

Minimized Testcase (0.01 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv97Rg4SoHmWVIiuSkxUmP228yrtEmlXdOIkpm5-tDx4b9bbzuuSxmzqCcdKEwHgUDgq8xTDK3xE8BQ536kH_GrzL3ORkWALcvkIA1sYkYAFl_du7cNg_OTt1SxPJUH2tEwLH-IxZMxtM00YHpPBEH8VQsd6GBFdN0ByODzRgIz0o98XmxiylvvdJU229iL3OEL-PoJdA-8uhGJmuVkvXGrp8HUGk1McM1Ig696EeSZ-J7j9TBenptSPtVfhGeOMVVHvPGJr3VNyfU90XNkiVy9tEclGIhY1l_tBVfuDI6CFtLMOb31w-l6Nf8x1_ibuugHXpSATeIo92jmy9hm6BLN3qefwsH9h8AAIR4n6TN9PvruKgnzs?testcase_id=5900875571920896
<title>&#x9177;


Additional requirements: Requires Gestures

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 5 by ClusterFuzz, Jan 10 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5900875571920896 is verified as fixed, so closing issue.

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

Comment 6 by ClusterFuzz, Jan 10 2017

ClusterFuzz has detected this issue as fixed in range 441510:441524.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5900875571920896

Fuzzer: inferno_twister_custom_bundle
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 4
Crash Address: 0x60a001ef815a
Crash State:
  _get_bitmap_surface
  
Sanitizer: address (ASAN)

Recommended Security Severity: Low

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=297214:297254
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=441510:441524

Minimized Testcase (0.01 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv97Rg4SoHmWVIiuSkxUmP228yrtEmlXdOIkpm5-tDx4b9bbzuuSxmzqCcdKEwHgUDgq8xTDK3xE8BQ536kH_GrzL3ORkWALcvkIA1sYkYAFl_du7cNg_OTt1SxPJUH2tEwLH-IxZMxtM00YHpPBEH8VQsd6GBFdN0ByODzRgIz0o98XmxiylvvdJU229iL3OEL-PoJdA-8uhGJmuVkvXGrp8HUGk1McM1Ig696EeSZ-J7j9TBenptSPtVfhGeOMVVHvPGJr3VNyfU90XNkiVy9tEclGIhY1l_tBVfuDI6CFtLMOb31w-l6Nf8x1_ibuugHXpSATeIo92jmy9hm6BLN3qefwsH9h8AAIR4n6TN9PvruKgnzs?testcase_id=5900875571920896
<title>&#x9177;


Additional requirements: Requires Gestures

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 7 by sheriffbot@chromium.org, Jan 11 2017

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

Comment 8 by sheriffbot@chromium.org, Apr 19 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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