New issue
Advanced search Search tips

Issue 632860 link

Starred by 2 users

Issue metadata

Status: Fixed
Owner: ----
Closed: Jul 2016
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



Sign in to add a comment

Heap-buffer-overflow in copy

Project Member Reported by ClusterFuzz, Jul 29 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4517320030683136

Fuzzer: libfuzzer_string_tokenizer_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Heap-buffer-overflow READ {*}
Crash Address: 0x60300000ed57
Crash State:
  copy
  std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<ch
  basic_string
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=408631:408652

Minimized Testcase (0.02 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97Wu-fpKdnH7QV4LIj4oigIu29xYd5Euj1fu48ufoAqEILYc5p7XOr9Dg3ezyT_72HvdpelRgTtzpwW262pwP5AC4JYOlRr0vG9kP1i2_F07fb2w6LDRFJTA8uEl1zvMge4_7lp4lKKuvdw3LKmDHTweHHoMw?testcase_id=4517320030683136

Filer: tanin

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

Comment 1 by ClusterFuzz, Jul 29 2016

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4712704669646848

Fuzzer: libfuzzer_string_tokenizer_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 9
Crash Address: 0x60300000dc49
Crash State:
  copy
  std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<ch
  basic_string
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=408631:408652

Minimized Testcase (0.01 Kb): https://cluster-fuzz.appspot.com/download/AMIfv950f18UldUC3SGuiDDAsCBz5Faqg31vEidajdoK0wOiqqHYjj-iSH1X_sPifWLrFkpo9Q4svV2Cd_ggEZO-AUFccIX8TIVtygFW8tP6XeDdye_I47nl_82bnVKx7NHh04eXGUXVm9g0dCWvsS5O3AZBBwKCfA?testcase_id=4712704669646848

Filer: tanin

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

Comment 2 by ClusterFuzz, Jul 29 2016

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6273734558351360

Fuzzer: libfuzzer_string_tokenizer_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 3
Crash Address: 0x60200000e2d3
Crash State:
  copy
  std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<ch
  basic_string
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=408631:408652

Minimized Testcase (0.00 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96w9i4DewufsUXBj3o9SqQGo3BjyIcho-HWb0sLcfV6A7xJUVBCkvlxCSfH9m7OGokU7cUb0YYTo-PsO5mm0-szIUNCuldkvFB_01kbgqrOT_cnHRWT5NQo4GomoSwx4TkMBYu2jbCOLDrYjQNy2kEdd5s-7Q?testcase_id=6273734558351360

Filer: tanin

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

Comment 3 by rickyz@chromium.org, Jul 29 2016

Status: Fixed (was: Untriaged)
Most likely fixed by https://codereview.chromium.org/2193283002.
Project Member

Comment 4 by sheriffbot@chromium.org, Jul 30 2016

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

Comment 5 by ClusterFuzz, Jul 31 2016

ClusterFuzz has detected this issue as fixed in range 408652:408744.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4712704669646848

Fuzzer: libfuzzer_string_tokenizer_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 9
Crash Address: 0x60300000dc49
Crash State:
  copy
  std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<ch
  basic_string
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=408631:408652
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=408652:408744

Minimized Testcase (0.01 Kb): https://cluster-fuzz.appspot.com/download/AMIfv950f18UldUC3SGuiDDAsCBz5Faqg31vEidajdoK0wOiqqHYjj-iSH1X_sPifWLrFkpo9Q4svV2Cd_ggEZO-AUFccIX8TIVtygFW8tP6XeDdye_I47nl_82bnVKx7NHh04eXGUXVm9g0dCWvsS5O3AZBBwKCfA?testcase_id=4712704669646848

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.
Project Member

Comment 6 by ClusterFuzz, Jul 31 2016

ClusterFuzz has detected this issue as fixed in range 408652:408744.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6273734558351360

Fuzzer: libfuzzer_string_tokenizer_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 3
Crash Address: 0x60200000e2d3
Crash State:
  copy
  std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<ch
  basic_string
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=408631:408652
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=408652:408744

Minimized Testcase (0.00 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96w9i4DewufsUXBj3o9SqQGo3BjyIcho-HWb0sLcfV6A7xJUVBCkvlxCSfH9m7OGokU7cUb0YYTo-PsO5mm0-szIUNCuldkvFB_01kbgqrOT_cnHRWT5NQo4GomoSwx4TkMBYu2jbCOLDrYjQNy2kEdd5s-7Q?testcase_id=6273734558351360

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.
Project Member

Comment 7 by ClusterFuzz, Jul 31 2016

ClusterFuzz has detected this issue as fixed in range 408652:408744.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4517320030683136

Fuzzer: libfuzzer_string_tokenizer_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Heap-buffer-overflow READ {*}
Crash Address: 0x60300000ed57
Crash State:
  copy
  std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<ch
  basic_string
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=408631:408652
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=408652:408744

Minimized Testcase (0.02 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97Wu-fpKdnH7QV4LIj4oigIu29xYd5Euj1fu48ufoAqEILYc5p7XOr9Dg3ezyT_72HvdpelRgTtzpwW262pwP5AC4JYOlRr0vG9kP1i2_F07fb2w6LDRFJTA8uEl1zvMge4_7lp4lKKuvdw3LKmDHTweHHoMw?testcase_id=4517320030683136

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.
Project Member

Comment 8 by sheriffbot@chromium.org, Nov 5 2016

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
Project Member

Comment 9 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1

Sign in to add a comment