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Heap-buffer-overflow in CGifLZWDecoder::ClearTable |
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Issue descriptionDetailed report: https://cluster-fuzz.appspot.com/testcase?key=4796643456319488 Fuzzer: libfuzzer_pdf_codec_gif_fuzzer Job Type: libfuzzer_chrome_asan Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 1 Crash Address: 0x62a000005232 Crash State: CGifLZWDecoder::ClearTable gif_load_frame CCodec_GifModule::LoadFrame Sanitizer: address (ASAN) Recommended Security Severity: High Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=423381:423433 Reproducer Testcase: https://cluster-fuzz.appspot.com/download/AMIfv95h7p2KM4gsX3-GkuEKleaV3yPxAkU63Mg0MOXz_uHjXeNC9D7MUDMdPfYqNPk5SzcAHrTIBJ7q3yoXpeUvnP775fwmwY6yZu7gOZBXDAgnjl3HuGQ2c_PGqpe2XINVnYJXg5egdVQSbOECNFmHHcHB8LFihfk6JQPneHLjoal2qSQefZE-M3K5GBiQfdvdDUgiwaQP15IFF5ztB6lZxQRTCfDZER1c0UuGhLFBxfLbo5iOYECmG1eKOY02uwtAxNoTruQy8vB4pp6uLmye39w-K-VlyP7of-C51a7-5pNHS4otJm4Q9gWHhKyb-X5d42aQH8A6325bRgbmCTk42DW4vahPaU9OeVQXqWSB0ifC9dfpoMg?testcase_id=4796643456319488 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
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Mar 2 2017
XFA is not enabled on any branch of chrome.
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Mar 28 2017
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May 11 2017
ClusterFuzz has detected this issue as fixed in range 470448:470492. Detailed report: https://clusterfuzz.com/testcase?key=4796643456319488 Fuzzer: libfuzzer_pdf_codec_gif_fuzzer Job Type: libfuzzer_chrome_asan Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 1 Crash Address: 0x62a000005232 Crash State: CGifLZWDecoder::ClearTable gif_load_frame CCodec_GifModule::LoadFrame Sanitizer: address (ASAN) Recommended Security Severity: High Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=423381:423433 Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=470448:470492 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4796643456319488 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.
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May 11 2017
ClusterFuzz testcase 4796643456319488 is verified as fixed, so closing issue. If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
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May 11 2017
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May 15 2017
Don't see any reason this should be fixed, we should verify.
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May 16 2017
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May 18 2017
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May 19 2017
This has been fixed by recent gif CLs.
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Aug 26 2017
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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Sep 18 2017
We have made a bunch of changes on ClusterFuzz side, so resetting ClusterFuzz-Wrong label. |
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Comment 1 by vakh@chromium.org
, Mar 2 2017Components: Internals>Plugins>PDF
Owner: dsinclair@chromium.org
Status: Assigned (was: Untriaged)