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Issue 620251 link

Starred by 1 user
Status: Duplicate
Merged: issue 610214
Owner:
ishell@chromium.org
Closed: Jun 2016
Cc:
█ decoder...@googlemail.com
mstarzinger@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Heap-buffer-overflow in v8::internal::Simulator::DecodeTypeImmediate

Project Member Reported by ClusterFuzz, Jun 15 2016 
Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5582117161664512

Fuzzer: decoder_langfuzz
Job Type: linux_asan_d8_v8_mipsel_dbg
Platform Id: linux

Crash Type: Heap-buffer-overflow WRITE 4
Crash Address: 0xd00ff7fc
Crash State:
  v8::internal::Simulator::DecodeTypeImmediate
  v8::internal::Simulator::InstructionDecode
  v8::internal::Simulator::Execute
  
Recommended Security Severity: High


Minimized Testcase (5.76 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94KN7aMSC7X_YiVTjqu1vpZ_OZXyHWczy7Q9vL91HzPilS63oPstNVgA5pyb-5Pq_aaDSBw1Wdu5WZ7MNfa-S3D-lCB5WUzt7YDnTURcvw3gCNZmhfV63WxswwFRglXf-GfpAadoKOcXbaEQMT95peXih6IaA

Filer: mstarzinger

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

Comment 1 by sheriffbot@chromium.org, Jun 15 2016

Labels: Pri-1

Comment 2 by est...@chromium.org, Jun 16 2016

Cc: -ishell@chromium.org
Labels: M-51
Owner: ishell@chromium.org
ishell@, could you please take a look at this V8 bug? Thanks!
Project Member

Comment 3 by ClusterFuzz, Jun 16 2016

Status: Assigned (was: Available)

Comment 4 by ishell@chromium.org, Jun 21 2016

Mergedinto: 610214
Status: Duplicate (was: Assigned)
Project Member

Comment 5 by sheriffbot@chromium.org, Jun 22 2016

Labels: -reward-topanel reward-ineligible

Comment 6 by mbarbe...@chromium.org, Oct 2 2016

Labels: allpublic
Project Member

Comment 7 by sheriffbot@chromium.org, Nov 1 2016

Labels: -Restrict-View-SecurityTeam
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 ClusterFuzz, Mar 8 2017 

ClusterFuzz has detected this issue as fixed in range 43662:43663.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5582117161664512

Fuzzer: decoder_langfuzz
Job Type: linux_asan_d8_v8_mipsel_dbg
Platform Id: linux

Crash Type: Heap-buffer-overflow WRITE 4
Crash Address: 0xd00ff7fc
Crash State:
  v8::internal::Simulator::DecodeTypeImmediate
  v8::internal::Simulator::InstructionDecode
  v8::internal::Simulator::Execute
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Fixed: V8: 43662:43663

Reproducer Testcase: https://cluster-fuzz.appspot.com/download/AMIfv94KN7aMSC7X_YiVTjqu1vpZ_OZXyHWczy7Q9vL91HzPilS63oPstNVgA5pyb-5Pq_aaDSBw1Wdu5WZ7MNfa-S3D-lCB5WUzt7YDnTURcvw3gCNZmhfV63WxswwFRglXf-GfpAadoKOcXbaEQMT95peXih6IaA?testcase_id=5582117161664512


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.
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