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Heap-buffer-overflow in CGifLZWDecoder::ClearTable |
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Issue descriptionDetailed report: https://cluster-fuzz.appspot.com/testcase?key=5803173605539840 Fuzzer: libfuzzer_pdf_codec_gif_fuzzer Job Type: libfuzzer_chrome_asan_debug Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 1 Crash Address: 0x62a000005232 Crash State: CGifLZWDecoder::ClearTable CGifLZWDecoder::InitTable gif_load_frame Sanitizer: address (ASAN) Recommended Security Severity: High Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan_debug&range=398395:399155 Reproducer Testcase: https://cluster-fuzz.appspot.com/download/AMIfv978_A0ojVRKOnF80ehWqbh3lXkp18I5qgquwVpOTImG4---thbFrH-AxpPQiAkKQVYbEg5_PlCgG1stvi1QInZ320eqASSNtONBtReVNh3Jn_FhWL8_Hsmdp4a3xq7P7cPNFdOQ0ULMd4aP269tvArw4Q7p_hVwLlkIX-5ufcUVCFXK2S5o8r_JHe30tPNJYVbAL0iaM4B__KEwgoBY-iQECCirwUdbg5_l_H7N6QNRz2u8E963NGuJGwUOtoQ1g1CBGOq4m46DZm5j2EhvF81XneGsTa9thWDObtqr2V9xoLVPN7ycolw0mxrLHqVOI8-SzZPAjWMHcTUyNJBrzaP1T8niDm7bzsJh3U6sfbr1W679syo?testcase_id=5803173605539840 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
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Mar 3 2017
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Mar 3 2017
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Mar 7 2017
This is XFA which is not enabled on any branch of Chrome.
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May 10 2017
ClusterFuzz has detected this issue as fixed in range 470448:470489. Detailed report: https://clusterfuzz.com/testcase?key=5803173605539840 Fuzzer: libfuzzer_pdf_codec_gif_fuzzer Job Type: libfuzzer_chrome_asan_debug Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 1 Crash Address: 0x62a000005232 Crash State: CGifLZWDecoder::ClearTable CGifLZWDecoder::InitTable gif_load_frame Sanitizer: address (ASAN) Recommended Security Severity: High Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=470448:470489 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5803173605539840 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 10 2017
ClusterFuzz testcase 5803173605539840 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 10 2017
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Jun 16 2017
https://pdfium.googlesource.com/pdfium/+/808828cb7b5539ab9a3f52b67ada6f26fa3c9d51 either fixed this or moved the problem elsewhere.
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Aug 16 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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Comment 1 by vakh@chromium.org
, Mar 3 2017Components: Internals>Plugins>PDF
Owner: dsinclair@chromium.org
Status: Assigned (was: Untriaged)