gsd-2013-6890
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
denyhosts 2.6 uses an incorrect regular expression when analyzing authentication logs, which allows remote attackers to cause a denial of service (incorrect block of IP addresses) via crafted login names.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2013-6890",
"description": "denyhosts 2.6 uses an incorrect regular expression when analyzing authentication logs, which allows remote attackers to cause a denial of service (incorrect block of IP addresses) via crafted login names.",
"id": "GSD-2013-6890",
"references": [
"https://www.debian.org/security/2013/dsa-2826",
"https://advisories.mageia.org/CVE-2013-6890.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2013-6890"
],
"details": "denyhosts 2.6 uses an incorrect regular expression when analyzing authentication logs, which allows remote attackers to cause a denial of service (incorrect block of IP addresses) via crafted login names.",
"id": "GSD-2013-6890",
"modified": "2023-12-13T01:22:19.746316Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
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"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2013-6890",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "denyhosts 2.6 uses an incorrect regular expression when analyzing authentication logs, which allows remote attackers to cause a denial of service (incorrect block of IP addresses) via crafted login names."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "56239",
"refsource": "SECUNIA",
"url": "http://secunia.com/advisories/56239"
},
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1045982",
"refsource": "MISC",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1045982"
},
{
"name": "[oss-security] 20131222 Re: [SECURITY] [DSA 2826-1] denyhosts security update",
"refsource": "MLIST",
"url": "http://seclists.org/oss-sec/2013/q4/535"
},
{
"name": "DSA-2826",
"refsource": "DEBIAN",
"url": "http://www.debian.org/security/2013/dsa-2826"
}
]
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:debian:debian_linux:7.1:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:phil_schwartz:denyhosts:2.6:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2013-6890"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "denyhosts 2.6 uses an incorrect regular expression when analyzing authentication logs, which allows remote attackers to cause a denial of service (incorrect block of IP addresses) via crafted login names."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-287"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "[oss-security] 20131222 Re: [SECURITY] [DSA 2826-1] denyhosts security update",
"refsource": "MLIST",
"tags": [],
"url": "http://seclists.org/oss-sec/2013/q4/535"
},
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1045982",
"refsource": "MISC",
"tags": [],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1045982"
},
{
"name": "56239",
"refsource": "SECUNIA",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/56239"
},
{
"name": "DSA-2826",
"refsource": "DEBIAN",
"tags": [],
"url": "http://www.debian.org/security/2013/dsa-2826"
}
]
}
},
"impact": {
"baseMetricV2": {
"cvssV2": {
"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,
"severity": "MEDIUM",
"userInteractionRequired": false
}
},
"lastModifiedDate": "2013-12-24T17:16Z",
"publishedDate": "2013-12-23T22:55Z"
}
}
}
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Sightings
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