CVE-2018-0491 (GCVE-0-2018-0491)
Vulnerability from cvelistv5 – Published: 2018-03-05 15:00 – Updated: 2024-08-05 03:28
VLAI?
Summary
A use-after-free issue was discovered in Tor 0.3.2.x before 0.3.2.10. It allows remote attackers to cause a denial of service (relay crash) because the KIST implementation allows a channel to be added more than once in the pending list.
Severity ?
No CVSS data available.
CWE
- use-after-free
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-05T03:28:10.940Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://trac.torproject.org/projects/tor/ticket/24700"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://trac.torproject.org/projects/tor/ticket/25117"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915"
},
{
"name": "44994",
"tags": [
"exploit",
"x_refsource_EXPLOIT-DB",
"x_transferred"
],
"url": "https://www.exploit-db.com/exploits/44994/"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "Tor",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "Tor"
}
]
}
],
"datePublic": "2018-03-05T00:00:00",
"descriptions": [
{
"lang": "en",
"value": "A use-after-free issue was discovered in Tor 0.3.2.x before 0.3.2.10. It allows remote attackers to cause a denial of service (relay crash) because the KIST implementation allows a channel to be added more than once in the pending list."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "use-after-free",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2018-07-11T09:57:01",
"orgId": "79363d38-fa19-49d1-9214-5f28da3f3ac5",
"shortName": "debian"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://trac.torproject.org/projects/tor/ticket/24700"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://trac.torproject.org/projects/tor/ticket/25117"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915"
},
{
"name": "44994",
"tags": [
"exploit",
"x_refsource_EXPLOIT-DB"
],
"url": "https://www.exploit-db.com/exploits/44994/"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "security@debian.org",
"ID": "CVE-2018-0491",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Tor",
"version": {
"version_data": [
{
"version_value": "Tor"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A use-after-free issue was discovered in Tor 0.3.2.x before 0.3.2.10. It allows remote attackers to cause a denial of service (relay crash) because the KIST implementation allows a channel to be added more than once in the pending list."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "use-after-free"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://trac.torproject.org/projects/tor/ticket/24700",
"refsource": "CONFIRM",
"url": "https://trac.torproject.org/projects/tor/ticket/24700"
},
{
"name": "https://trac.torproject.org/projects/tor/ticket/25117",
"refsource": "CONFIRM",
"url": "https://trac.torproject.org/projects/tor/ticket/25117"
},
{
"name": "https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915",
"refsource": "CONFIRM",
"url": "https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915"
},
{
"name": "44994",
"refsource": "EXPLOIT-DB",
"url": "https://www.exploit-db.com/exploits/44994/"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "79363d38-fa19-49d1-9214-5f28da3f3ac5",
"assignerShortName": "debian",
"cveId": "CVE-2018-0491",
"datePublished": "2018-03-05T15:00:00",
"dateReserved": "2017-11-27T00:00:00",
"dateUpdated": "2024-08-05T03:28:10.940Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"fkie_nvd": {
"configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"0.3.2.0\", \"versionEndExcluding\": \"0.3.2.10\", \"matchCriteriaId\": \"1E3C7B44-DBC7-4D14-94F9-0DC25C1167EE\"}]}]}]",
"descriptions": "[{\"lang\": \"en\", \"value\": \"A use-after-free issue was discovered in Tor 0.3.2.x before 0.3.2.10. It allows remote attackers to cause a denial of service (relay crash) because the KIST implementation allows a channel to be added more than once in the pending list.\"}, {\"lang\": \"es\", \"value\": \"Se ha descubierto un problema de uso de memoria previamente liberada en Tor, en versiones 0.3.2.x anteriores a la 0.3.2.10. Permite que atacantes remotos provoquen una denegaci\\u00f3n de servicio (cierre inesperado del relevo) debido a que la implementaci\\u00f3n KIST permite que un canal se a\\u00f1ada m\\u00e1s de una vez en la lista de pendientes.\"}]",
"id": "CVE-2018-0491",
"lastModified": "2024-11-21T03:38:20.637",
"metrics": "{\"cvssMetricV30\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.0\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:N/I:N/A:P\", \"baseScore\": 5.0, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 10.0, \"impactScore\": 2.9, \"acInsufInfo\": true, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
"published": "2018-03-05T15:29:00.270",
"references": "[{\"url\": \"https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915\", \"source\": \"security@debian.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://trac.torproject.org/projects/tor/ticket/24700\", \"source\": \"security@debian.org\", \"tags\": [\"Issue Tracking\", \"Mitigation\", \"Vendor Advisory\"]}, {\"url\": \"https://trac.torproject.org/projects/tor/ticket/25117\", \"source\": \"security@debian.org\", \"tags\": [\"Issue Tracking\", \"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://www.exploit-db.com/exploits/44994/\", \"source\": \"security@debian.org\", \"tags\": [\"Exploit\", \"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://trac.torproject.org/projects/tor/ticket/24700\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Issue Tracking\", \"Mitigation\", \"Vendor Advisory\"]}, {\"url\": \"https://trac.torproject.org/projects/tor/ticket/25117\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Issue Tracking\", \"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://www.exploit-db.com/exploits/44994/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Third Party Advisory\", \"VDB Entry\"]}]",
"sourceIdentifier": "security@debian.org",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-416\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2018-0491\",\"sourceIdentifier\":\"security@debian.org\",\"published\":\"2018-03-05T15:29:00.270\",\"lastModified\":\"2024-11-21T03:38:20.637\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A use-after-free issue was discovered in Tor 0.3.2.x before 0.3.2.10. It allows remote attackers to cause a denial of service (relay crash) because the KIST implementation allows a channel to be added more than once in the pending list.\"},{\"lang\":\"es\",\"value\":\"Se ha descubierto un problema de uso de memoria previamente liberada en Tor, en versiones 0.3.2.x anteriores a la 0.3.2.10. Permite que atacantes remotos provoquen una denegaci\u00f3n de servicio (cierre inesperado del relevo) debido a que la implementaci\u00f3n KIST permite que un canal se a\u00f1ada m\u00e1s de una vez en la lista de pendientes.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":true,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"0.3.2.0\",\"versionEndExcluding\":\"0.3.2.10\",\"matchCriteriaId\":\"1E3C7B44-DBC7-4D14-94F9-0DC25C1167EE\"}]}]}],\"references\":[{\"url\":\"https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915\",\"source\":\"security@debian.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://trac.torproject.org/projects/tor/ticket/24700\",\"source\":\"security@debian.org\",\"tags\":[\"Issue Tracking\",\"Mitigation\",\"Vendor Advisory\"]},{\"url\":\"https://trac.torproject.org/projects/tor/ticket/25117\",\"source\":\"security@debian.org\",\"tags\":[\"Issue Tracking\",\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://www.exploit-db.com/exploits/44994/\",\"source\":\"security@debian.org\",\"tags\":[\"Exploit\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://trac.torproject.org/projects/tor/ticket/24700\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Mitigation\",\"Vendor Advisory\"]},{\"url\":\"https://trac.torproject.org/projects/tor/ticket/25117\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://www.exploit-db.com/exploits/44994/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\",\"VDB Entry\"]}]}}"
}
}
Loading…
Loading…
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.
Loading…
Loading…