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Issue metadata

Status: Duplicate
Merged: issue 789113
Owner:
Closed: Nov 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: ----
Type: Bug-Security



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Global-buffer-overflow in CXFA_Node::NameToElement

Project Member Reported by ClusterFuzz, Nov 29 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5990313075408896

Fuzzer: libFuzzer_pdfium_xfa_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Global-buffer-overflow READ 4
Crash Address: 0x000003982ab8
Crash State:
  CXFA_Node::NameToElement
  CFXJSE_ResolveProcessor::ResolveNormal
  CFXJSE_ResolveProcessor::Resolve
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=519355:519387

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5990313075408896

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
 
Project Member

Comment 1 by ClusterFuzz, Nov 29 2017

Components: Internals>Plugins>PDF
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Project Member

Comment 2 by ClusterFuzz, Nov 29 2017

Labels: Test-Predator-Auto-Owner
Owner: dsinclair@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://pdfium.googlesource.com/pdfium/+/f473672fd6305fe97c749bde3b92e3c9c90e88d0 (Generate XFA node classes).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.

Comment 3 by palmer@chromium.org, Nov 29 2017

Cc: tsepez@chromium.org thestig@chromium.org
Labels: M-65 OS-Android OS-Chrome OS-Fuchsia OS-Mac OS-Windows
Project Member

Comment 4 by ClusterFuzz, Nov 29 2017

ClusterFuzz has detected this issue as fixed in range 519747:519798.

Detailed report: https://clusterfuzz.com/testcase?key=5990313075408896

Fuzzer: libFuzzer_pdfium_xfa_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Global-buffer-overflow READ 4
Crash Address: 0x000003982ab8
Crash State:
  CXFA_Node::NameToElement
  CFXJSE_ResolveProcessor::ResolveNormal
  CFXJSE_ResolveProcessor::Resolve
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=519355:519387
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=519747:519798

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5990313075408896

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.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 5 by ClusterFuzz, Nov 29 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5990313075408896 is verified as fixed, so closing issue as verified.

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

Comment 6 by sheriffbot@chromium.org, Nov 29 2017

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Labels: -OS-Linux -OS-Android -OS-Windows -OS-Chrome -Security_Impact-Head -OS-Mac -M-65 -OS-Fuchsia Security_Impact-None
Mergedinto: 789113
Status: Duplicate (was: Verified)
This was an XFA only issue and not enabled on any branch of Chrome.
Project Member

Comment 8 by sheriffbot@chromium.org, Mar 8 2018

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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