osv-2021-222
Vulnerability from osv_ossfuzz
Published
2021-01-23 00:01
Modified
2022-04-13 03:04
Summary
Heap-buffer-overflow in arith_uncompress_to
Details
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29792
Crash type: Heap-buffer-overflow READ 1
Crash state:
arith_uncompress_to
cram_uncompress_block
cram_read_SAM_hdr
{
"affected": [
{
"database_specific": {
"fixed_range": "01830d77854bf24d69959373d2570c640c1ff5d2:90fef7300c75ca6b8834da0dcb710e27d599324e"
},
"ecosystem_specific": {
"severity": "MEDIUM"
},
"package": {
"ecosystem": "OSS-Fuzz",
"name": "htslib"
},
"ranges": [
{
"events": [
{
"introduced": "0d1971cbebb269d90a563464e4f56987290e20ab"
},
{
"fixed": "a01a139ac1fa365a688ec8734d62ef859a8bc416"
},
{
"fixed": "90fef7300c75ca6b8834da0dcb710e27d599324e"
}
],
"repo": "https://github.com/samtools/htslib.git",
"type": "GIT"
}
],
"versions": []
}
],
"details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29792\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\narith_uncompress_to\ncram_uncompress_block\ncram_read_SAM_hdr\n```\n",
"id": "OSV-2021-222",
"modified": "2022-04-13T03:04:32.296206Z",
"published": "2021-01-23T00:01:01.932285Z",
"references": [
{
"type": "REPORT",
"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29792"
}
],
"summary": "Heap-buffer-overflow in arith_uncompress_to"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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