FKIE_CVE-2012-5573
Vulnerability from fkie_nvd - Published: 2013-01-01 12:35 - Updated: 2025-04-11 00:51
Severity ?
Summary
The connection_edge_process_relay_cell function in or/relay.c in Tor before 0.2.3.25 maintains circuits even if an unexpected SENDME cell arrives, which might allow remote attackers to cause a denial of service (memory consumption or excessive cell reception rate) or bypass intended flow-control restrictions via a RELAY_COMMAND_SENDME command.
References
Impacted products
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"criteria": "cpe:2.3:a:torproject:tor:0.2.3.19:rc:*:*:*:*:*:*",
"matchCriteriaId": "9F471155-F0ED-4F73-A04C-EF39DFC9F666",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:torproject:tor:0.2.3.20:rc:*:*:*:*:*:*",
"matchCriteriaId": "D93C514A-0BCB-4BDD-84C2-6C78D346FC13",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:torproject:tor:0.2.3.21:rc:*:*:*:*:*:*",
"matchCriteriaId": "5F4A9816-F5D0-42DA-9ADB-F0D2B4A08A74",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:torproject:tor:0.2.3.22:rc:*:*:*:*:*:*",
"matchCriteriaId": "6B44CB99-1F06-4042-A8AA-AB520DE38511",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:torproject:tor:0.2.3.23:rc:*:*:*:*:*:*",
"matchCriteriaId": "DBEFA4D9-67B6-474C-B92D-0BB970FE78C2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The connection_edge_process_relay_cell function in or/relay.c in Tor before 0.2.3.25 maintains circuits even if an unexpected SENDME cell arrives, which might allow remote attackers to cause a denial of service (memory consumption or excessive cell reception rate) or bypass intended flow-control restrictions via a RELAY_COMMAND_SENDME command."
},
{
"lang": "es",
"value": "La funci\u00f3n connection_edge_process_relay_cell en o/relay.c en Tor antes de v0.2.3.25 mantiene circuitos incluso si llega una c\u00e9lula SendMe llega, lo que podr\u00eda permitir a atacantes remotos provocar una denegaci\u00f3n de servicio (consumo de memoria o la velocidad excesiva de c\u00e9lulas recepci\u00f3n) o evitar las restricciones de control de flujo a trav\u00e9s de un comando RELAY_COMMAND_SENDME."
}
],
"id": "CVE-2012-5573",
"lastModified": "2025-04-11T00:51:21.963",
"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
}
]
},
"published": "2013-01-01T12:35:14.617",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://openwall.com/lists/oss-security/2012/11/26/11"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/51329"
},
{
"source": "secalert@redhat.com",
"url": "http://security.gentoo.org/glsa/glsa-201301-03.xml"
},
{
"source": "secalert@redhat.com",
"url": "https://bugs.gentoo.org/show_bug.cgi?id=444804"
},
{
"source": "secalert@redhat.com",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=880310"
},
{
"source": "secalert@redhat.com",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/80289"
},
{
"source": "secalert@redhat.com",
"tags": [
"Patch"
],
"url": "https://gitweb.torproject.org/arma/tor.git/commitdiff/b9b54568c0bb64c32bd0b362954bdbc8c1234b16"
},
{
"source": "secalert@redhat.com",
"url": "https://gitweb.torproject.org/tor.git/blob/release-0.2.3:/ReleaseNotes"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "https://trac.torproject.org/projects/tor/ticket/6252"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://openwall.com/lists/oss-security/2012/11/26/11"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/51329"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://security.gentoo.org/glsa/glsa-201301-03.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://bugs.gentoo.org/show_bug.cgi?id=444804"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=880310"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/80289"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "https://gitweb.torproject.org/arma/tor.git/commitdiff/b9b54568c0bb64c32bd0b362954bdbc8c1234b16"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://gitweb.torproject.org/tor.git/blob/release-0.2.3:/ReleaseNotes"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://trac.torproject.org/projects/tor/ticket/6252"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-399"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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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