Search criteria
3 vulnerabilities found for denyhosts by phil_schwartz
FKIE_CVE-2013-6890
Vulnerability from fkie_nvd - Published: 2013-12-23 22:55 - Updated: 2025-04-11 00:51
Severity ?
Summary
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.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| debian | debian_linux | 6.0 | |
| debian | debian_linux | 7.0 | |
| debian | debian_linux | 7.1 | |
| fedoraproject | fedora | * | |
| phil_schwartz | denyhosts | 2.6 |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*",
"matchCriteriaId": "036E8A89-7A16-411F-9D31-676313BB7244",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
"matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:7.1:*:*:*:*:*:*:*",
"matchCriteriaId": "7B21E9A8-CE63-42C2-A11A-94D977A96DF1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*",
"matchCriteriaId": "20294CE7-12C8-43CA-A702-5ED2A3044FFC",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:phil_schwartz:denyhosts:2.6:*:*:*:*:*:*:*",
"matchCriteriaId": "B8215831-4E32-4451-AB45-598B8F5620A9",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"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."
},
{
"lang": "es",
"value": "denyhosts v2.6 utiliza una expresi\u00f3n regular incorrecta al analizar los registros de autenticaci\u00f3n, , lo cual permite a atacantes remotos causar una denegaci\u00f3n de servicio (secuencia incorrecta de direcciones IP) a trav\u00e9s de nombres de inicio de sesi\u00f3n manipulados."
}
],
"id": "CVE-2013-6890",
"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": "2013-12-23T22:55:03.050",
"references": [
{
"source": "cve@mitre.org",
"url": "http://seclists.org/oss-sec/2013/q4/535"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/56239"
},
{
"source": "cve@mitre.org",
"url": "http://www.debian.org/security/2013/dsa-2826"
},
{
"source": "cve@mitre.org",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1045982"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://seclists.org/oss-sec/2013/q4/535"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/56239"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2013/dsa-2826"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1045982"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-287"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
CVE-2013-6890 (GCVE-0-2013-6890)
Vulnerability from cvelistv5 – Published: 2013-12-23 22:00 – Updated: 2024-08-06 17:53
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-06T17:53:44.689Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "56239",
"tags": [
"third-party-advisory",
"x_refsource_SECUNIA",
"x_transferred"
],
"url": "http://secunia.com/advisories/56239"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1045982"
},
{
"name": "[oss-security] 20131222 Re: [SECURITY] [DSA 2826-1] denyhosts security update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://seclists.org/oss-sec/2013/q4/535"
},
{
"name": "DSA-2826",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN",
"x_transferred"
],
"url": "http://www.debian.org/security/2013/dsa-2826"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"datePublic": "2013-12-22T00:00:00",
"descriptions": [
{
"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."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2013-12-23T21:57:01",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"name": "56239",
"tags": [
"third-party-advisory",
"x_refsource_SECUNIA"
],
"url": "http://secunia.com/advisories/56239"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1045982"
},
{
"name": "[oss-security] 20131222 Re: [SECURITY] [DSA 2826-1] denyhosts security update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://seclists.org/oss-sec/2013/q4/535"
},
{
"name": "DSA-2826",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN"
],
"url": "http://www.debian.org/security/2013/dsa-2826"
}
],
"x_legacyV4Record": {
"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"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2013-6890",
"datePublished": "2013-12-23T22:00:00",
"dateReserved": "2013-11-28T00:00:00",
"dateUpdated": "2024-08-06T17:53:44.689Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
CVE-2013-6890 (GCVE-0-2013-6890)
Vulnerability from nvd – Published: 2013-12-23 22:00 – Updated: 2024-08-06 17:53
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-06T17:53:44.689Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "56239",
"tags": [
"third-party-advisory",
"x_refsource_SECUNIA",
"x_transferred"
],
"url": "http://secunia.com/advisories/56239"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1045982"
},
{
"name": "[oss-security] 20131222 Re: [SECURITY] [DSA 2826-1] denyhosts security update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://seclists.org/oss-sec/2013/q4/535"
},
{
"name": "DSA-2826",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN",
"x_transferred"
],
"url": "http://www.debian.org/security/2013/dsa-2826"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"datePublic": "2013-12-22T00:00:00",
"descriptions": [
{
"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."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2013-12-23T21:57:01",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"name": "56239",
"tags": [
"third-party-advisory",
"x_refsource_SECUNIA"
],
"url": "http://secunia.com/advisories/56239"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1045982"
},
{
"name": "[oss-security] 20131222 Re: [SECURITY] [DSA 2826-1] denyhosts security update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://seclists.org/oss-sec/2013/q4/535"
},
{
"name": "DSA-2826",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN"
],
"url": "http://www.debian.org/security/2013/dsa-2826"
}
],
"x_legacyV4Record": {
"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"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2013-6890",
"datePublished": "2013-12-23T22:00:00",
"dateReserved": "2013-11-28T00:00:00",
"dateUpdated": "2024-08-06T17:53:44.689Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}