fkie_cve-2021-34550
Vulnerability from fkie_nvd
Published
2021-06-29 12:15
Modified
2024-11-21 06:10
Severity ?
Summary
An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-006. The v3 onion service descriptor parsing allows out-of-bounds memory access, and a client crash, via a crafted onion service descriptor
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://blog.torproject.org/node/2041 | Release Notes, Vendor Advisory | |
| cve@mitre.org | https://gitlab.torproject.org/tpo/core/tor/-/issues/40392 | Broken Link | |
| cve@mitre.org | https://security.gentoo.org/glsa/202107-25 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://blog.torproject.org/node/2041 | Release Notes, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://gitlab.torproject.org/tpo/core/tor/-/issues/40392 | Broken Link | |
| af854a3a-2127-422b-91ae-364da2661108 | https://security.gentoo.org/glsa/202107-25 | Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| torproject | tor | * | |
| torproject | tor | * | |
| torproject | tor | * | |
| torproject | tor | * |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*",
"matchCriteriaId": "C2666B22-DC07-4BFA-A756-3DC4E970EBDD",
"versionEndExcluding": "0.3.5.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*",
"matchCriteriaId": "072B35B0-7EBF-4652-BB89-12B4BEC9A8EF",
"versionEndExcluding": "0.4.4.9",
"versionStartIncluding": "0.4.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*",
"matchCriteriaId": "57ED9234-622B-4B0D-8E29-2851A87DE0D1",
"versionEndExcluding": "0.4.5.9",
"versionStartIncluding": "0.4.5.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*",
"matchCriteriaId": "EFD89230-DBEF-4134-9C42-8187CE542B7C",
"versionEndExcluding": "0.4.6.5",
"versionStartIncluding": "0.4.6.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-006. The v3 onion service descriptor parsing allows out-of-bounds memory access, and a client crash, via a crafted onion service descriptor"
},
{
"lang": "es",
"value": "Se ha detectado un problema en Tor versiones anteriores a 0.4.6.5, tambi\u00e9n se conoce como TROVE-2021-006. El an\u00e1lisis del descriptor del servicio de v3 onion, permite un acceso a la memoria fuera de l\u00edmites, y un bloqueo del cliente, por medio de un descriptor de servicio onion dise\u00f1ado"
}
],
"id": "CVE-2021-34550",
"lastModified": "2024-11-21T06:10:39.317",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
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]
},
"published": "2021-06-29T12:15:08.670",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "https://blog.torproject.org/node/2041"
},
{
"source": "cve@mitre.org",
"tags": [
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},
{
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{
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],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
{
"lang": "en",
"value": "CWE-119"
}
],
"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.
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- 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.