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Issue metadata

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



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Memcpy-param-overlap in CCodec_ProgressiveDecoder::GifReadMoreData

Project Member Reported by ClusterFuzz, Jun 22 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4625488375185408

Fuzzer: attekett_dom_fuzzer
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Memcpy-param-overlap
Crash Address: [0x621000062d00,0x621000063b38) and [0x621000062ec8, 0x621000063d00)
Crash State:
  CCodec_ProgressiveDecoder::GifReadMoreData
  CCodec_ProgressiveDecoder::GetFrames
  XFA_LoadImageFromBuffer
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=393856:393893

Minimized Testcase (18.26 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96F5akHnFG3fVwHGzCLeNsW_-2nce-8F_0LgIRDRZdpDpZ_nYw2uLyyjh-2ej9H33W8l_0QkGrCASYZgrdxK0dfk8gG7oQ2dMlA7YiWJK0qXt171W0DqC9NlW48tC7BwTFA0n63lhMZYYeYx9SzzGvsMDkzloBG2Y9uBNa0ObnEP8dVzL4?testcase_id=4625488375185408

Filer: tanin

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

Comment 1 by ClusterFuzz, Jun 23 2016

ClusterFuzz has detected this issue as fixed in range 399086:399117.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4625488375185408

Fuzzer: attekett_dom_fuzzer
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Memcpy-param-overlap
Crash Address: [0x621000062d00,0x621000063b38) and [0x621000062ec8, 0x621000063d00)
Crash State:
  CCodec_ProgressiveDecoder::GifReadMoreData
  CCodec_ProgressiveDecoder::GetFrames
  XFA_LoadImageFromBuffer
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=393856:393893
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=399086:399117

Minimized Testcase (18.26 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96F5akHnFG3fVwHGzCLeNsW_-2nce-8F_0LgIRDRZdpDpZ_nYw2uLyyjh-2ej9H33W8l_0QkGrCASYZgrdxK0dfk8gG7oQ2dMlA7YiWJK0qXt171W0DqC9NlW48tC7BwTFA0n63lhMZYYeYx9SzzGvsMDkzloBG2Y9uBNa0ObnEP8dVzL4?testcase_id=4625488375185408

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 sheriffbot@chromium.org, Jun 23 2016

Labels: Pri-1
Project Member

Comment 3 by ClusterFuzz, Jun 23 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Available)
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 4 by ClusterFuzz, Jun 23 2016

Labels: Merge-NA
Project Member

Comment 5 by sheriffbot@chromium.org, Jun 24 2016

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

Comment 6 by sheriffbot@chromium.org, Sep 30 2016

Labels: -Restrict-View-SecurityNotify
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 7 by sheriffbot@chromium.org, Oct 1 2016

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 8 by sheriffbot@chromium.org, Oct 2 2016

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
Labels: allpublic
Labels: -reward-topanel reward-NA

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