gsd-2021-45940
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
libbpf 0.6.0 and 0.6.1 has a heap-based buffer overflow (4 bytes) in __bpf_object__open (called from bpf_object__open_mem and bpf-object-fuzzer.c).
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-45940",
"description": "libbpf 0.6.0 and 0.6.1 has a heap-based buffer overflow (4 bytes) in __bpf_object__open (called from bpf_object__open_mem and bpf-object-fuzzer.c).",
"id": "GSD-2021-45940",
"references": [
"https://www.suse.com/security/cve/CVE-2021-45940.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-45940"
],
"details": "libbpf 0.6.0 and 0.6.1 has a heap-based buffer overflow (4 bytes) in __bpf_object__open (called from bpf_object__open_mem and bpf-object-fuzzer.c).",
"id": "GSD-2021-45940",
"modified": "2023-12-13T01:23:19.419456Z",
"schema_version": "1.4.0"
}
},
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"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2021-45940",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
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"version_value": "n/a"
}
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}
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"data_type": "CVE",
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"value": "libbpf 0.6.0 and 0.6.1 has a heap-based buffer overflow (4 bytes) in __bpf_object__open (called from bpf_object__open_mem and bpf-object-fuzzer.c)."
}
]
},
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"problemtype_data": [
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"value": "n/a"
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},
"references": {
"reference_data": [
{
"name": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libbpf/OSV-2021-1562.yaml",
"refsource": "MISC",
"url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libbpf/OSV-2021-1562.yaml"
},
{
"name": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40868",
"refsource": "MISC",
"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40868"
}
]
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003e=0.6.0 \u003c=0.6.1",
"affected_versions": "All versions starting from 0.6.0 up to 0.6.1",
"cvss_v2": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"cwe_ids": [
"CWE-1035",
"CWE-787",
"CWE-937"
],
"date": "2022-01-11",
"description": "libbpf has a heap-based buffer overflow (4 bytes) in __bpf_object__open (called from bpf_object__open_mem and bpf-object-fuzzer.c).",
"fixed_versions": [],
"identifier": "CVE-2021-45940",
"identifiers": [
"CVE-2021-45940"
],
"not_impacted": "",
"package_slug": "conan/libbpf",
"pubdate": "2022-01-01",
"solution": "Unfortunately, there is no solution available yet.",
"title": "Out-of-bounds Write",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-45940",
"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40868",
"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libbpf/OSV-2021-1562.yaml"
],
"uuid": "13c08072-bd1c-4c9f-833d-aa69b35747b6"
}
]
},
"nvd.nist.gov": {
"configurations": {
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"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:libbpf_project:libbpf:0.6.0:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:libbpf_project:libbpf:0.6.1:*:*:*:*:*:*:*",
"cpe_name": [],
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"operator": "OR"
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"ID": "CVE-2021-45940"
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"description": {
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"value": "libbpf 0.6.0 and 0.6.1 has a heap-based buffer overflow (4 bytes) in __bpf_object__open (called from bpf_object__open_mem and bpf-object-fuzzer.c)."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40868",
"refsource": "MISC",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40868"
},
{
"name": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libbpf/OSV-2021-1562.yaml",
"refsource": "MISC",
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"Exploit",
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],
"url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libbpf/OSV-2021-1562.yaml"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": true
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
}
},
"lastModifiedDate": "2022-01-11T18:20Z",
"publishedDate": "2022-01-01T01:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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