fkie_cve-2020-29367
Vulnerability from fkie_nvd
Published
2020-11-27 20:15
Modified
2025-04-25 16:52
Severity ?
Summary
blosc2.c in Blosc C-Blosc2 through 2.0.0.beta.5 has a heap-based buffer overflow when there is a lack of space to write compressed data.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26442 | Mailing List, Third Party Advisory | |
| cve@mitre.org | https://github.com/Blosc/c-blosc2/commit/c4c6470e88210afc95262c8b9fcc27e30ca043ee | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26442 | Mailing List, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/Blosc/c-blosc2/commit/c4c6470e88210afc95262c8b9fcc27e30ca043ee | Patch, Third Party Advisory |
Impacted products
{
"configurations": [
{
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"criteria": "cpe:2.3:a:blosc:c-blosc2:2.0.0:alpha2:*:*:*:*:*:*",
"matchCriteriaId": "7406AFCF-1E42-4EB2-A451-C920300F0A4C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:blosc:c-blosc2:2.0.0:alpha3:*:*:*:*:*:*",
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{
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"matchCriteriaId": "EBED35CA-043F-4221-9556-9D8A0BB5B0AB",
"vulnerable": true
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"matchCriteriaId": "D444841F-B5A8-4531-AFE2-CDD08832CC06",
"vulnerable": true
},
{
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"matchCriteriaId": "64F730FC-8189-4BA9-B5B3-3E660714F896",
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"matchCriteriaId": "B98A7279-663F-4459-8DCD-648A2EE5F7DB",
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"matchCriteriaId": "8E1508A5-4D21-4247-97A7-31E02A4C3594",
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}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "blosc2.c in Blosc C-Blosc2 through 2.0.0.beta.5 has a heap-based buffer overflow when there is a lack of space to write compressed data."
},
{
"lang": "es",
"value": "El archivo blosc2.c en Blosc C-Blosc2 hasta versi\u00f3n 2.0.0.beta.5. presenta un desbordamiento de b\u00fafer en la regi\u00f3n heap de la memoria cuando carece de espacio para escribir datos comprimidos"
}
],
"id": "CVE-2020-29367",
"lastModified": "2025-04-25T16:52:59.580",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 9.3,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV31": [
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"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2020-11-27T20:15:11.090",
"references": [
{
"source": "cve@mitre.org",
"tags": [
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"Third Party Advisory"
],
"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26442"
},
{
"source": "cve@mitre.org",
"tags": [
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"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
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"lang": "en",
"value": "CWE-787"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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.
- 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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