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10486.json
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10486.json
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{
"fix": "https://git.libssh.org/projects/libssh.git07f7fa7806e94ccaa271c185213afed80e13a77d",
"verify": "0",
"localId": 10486,
"project": "libssh",
"fuzzer": "libfuzzer",
"sanitizer": "asan",
"crash_type": "Stack-buffer-overflow READ 8",
"severity": "Medium",
"report": {
"comments": [
{
"projectName": "oss-fuzz",
"localId": 10486,
"commenter": {
"userId": "382749006",
"displayName": "ClusterFuzz-External"
},
"timestamp": 1537331999,
"content": "Detailed report: https://oss-fuzz.com/testcase?key=5766380100517888\n\nProject: libssh\nFuzzer: libFuzzer_libssh_server_fuzzer\nFuzz target binary: libssh_server_fuzzer\nJob Type: libfuzzer_asan_libssh\nPlatform Id: linux\n\nCrash Type: Stack-buffer-overflow READ 8\nCrash Address: 0x7f1b568059b0\nCrash State:\n ssh_buffer_unpack_va\n _ssh_buffer_unpack\n ssh_packet_userauth_request\n \nSanitizer: address (ASAN)\n\nRecommended Security Severity: Medium\n\nRegressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_libssh&range=201809180259:201809190255\n\nReproducer Testcase: https://oss-fuzz.com/download?testcase_id=5766380100517888\n\nIssue filed automatically.\n\nSee https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for more information.\n\nThis bug is subject to a 90 day disclosure deadline. If 90 days elapse\nwithout an upstream patch, then the bug report will automatically\nbecome visible to the public.\n\nWhen you fix this bug, please\n * mention the fix revision(s).\n * state whether the bug was a short-lived regression or an old bug in any stable releases.\n * add any other useful information.\nThis information can help downstream consumers.\n\nIf you need to contact the OSS-Fuzz team with a question, concern, or any other feedback, please file an issue at https://github.com/google/oss-fuzz/issues.",
"descriptionNum": 1
},
{
"projectName": "oss-fuzz",
"localId": 10486,
"sequenceNum": 1,
"commenter": {
"userId": "382749006",
"displayName": "ClusterFuzz-External"
},
"timestamp": 1537332557,
"amendments": [
{
"fieldName": "Labels",
"newOrDeltaValue": "OS-Linux"
}
]
},
{
"projectName": "oss-fuzz",
"localId": 10486,
"sequenceNum": 2,
"commenter": {
"userId": "382749006",
"displayName": "ClusterFuzz-External"
},
"timestamp": 1537338459,
"content": "This crash occurs very frequently on linux platform and is likely preventing the fuzzer libssh_server_fuzzer from making much progress. Fixing this will allow more bugs to be found.\n\nIf this is incorrect, please file a bug on https://github.com/google/oss-fuzz/issues/new",
"amendments": [
{
"fieldName": "Labels",
"newOrDeltaValue": "Fuzz-Blocker"
}
]
},
{
"projectName": "oss-fuzz",
"localId": 10486,
"sequenceNum": 3,
"commenter": {
"userId": "382749006",
"displayName": "ClusterFuzz-External"
},
"timestamp": 1537403938,
"content": "ClusterFuzz has detected this issue as fixed in range 201809190255:201809192219.\n\nDetailed report: https://oss-fuzz.com/testcase?key=5766380100517888\n\nProject: libssh\nFuzzer: libFuzzer_libssh_server_fuzzer\nFuzz target binary: libssh_server_fuzzer\nJob Type: libfuzzer_asan_libssh\nPlatform Id: linux\n\nCrash Type: Stack-buffer-overflow READ 8\nCrash Address: 0x7f1b568059b0\nCrash State:\n ssh_buffer_unpack_va\n _ssh_buffer_unpack\n ssh_packet_userauth_request\n \nSanitizer: address (ASAN)\n\nRecommended Security Severity: Medium\n\nRegressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_libssh&range=201809180259:201809190255\nFixed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_libssh&range=201809190255:201809192219\n\nReproducer Testcase: https://oss-fuzz.com/download?testcase_id=5766380100517888\n\nSee https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for more information.\n\nIf you suspect that the result above is incorrect, try re-doing that job on the test case report page."
},
{
"projectName": "oss-fuzz",
"localId": 10486,
"sequenceNum": 4,
"commenter": {
"userId": "382749006",
"displayName": "ClusterFuzz-External"
},
"timestamp": 1537405032,
"content": "ClusterFuzz testcase 5766380100517888 is verified as fixed, so closing issue as verified.\n\nIf this is incorrect, please file a bug on https://github.com/google/oss-fuzz/issues/new",
"amendments": [
{
"fieldName": "Status",
"newOrDeltaValue": "Verified",
"oldValue": "New"
},
{
"fieldName": "Labels",
"newOrDeltaValue": "ClusterFuzz-Verified"
}
]
},
{
"projectName": "oss-fuzz",
"localId": 10486,
"sequenceNum": 5,
"commenter": {
"userId": "4164592774",
"displayName": "[email protected]"
},
"timestamp": 1540049062,
"content": "This bug has been fixed for 30 days. It has been opened to the public.\n\n- Your friendly Sheriffbot",
"amendments": [
{
"fieldName": "Labels",
"newOrDeltaValue": "-restrict-view-commit"
}
]
}
]
},
"fix_commit": "07f7fa7806e94ccaa271c185213afed80e13a77d",
"repo_addr": "https://git.libssh.org/projects/libssh.git"
}