CVE-2013-0238 (GCVE-0-2013-0238)
Vulnerability from cvelistv5 – Published: 2013-02-13 01:00 – Updated: 2024-08-06 14:18
VLAI
EPSS
VEX
Summary
The try_parse_v4_netmask function in hostmask.c in IRCD-Hybrid before 8.0.6 does not properly validate masks, which allows remote attackers to cause a denial of service (crash) via a mask that causes a negative number to be parsed.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
12 references
| URL | Tags |
|---|---|
| http://www.debian.org/security/2013/dsa-2618 | vendor-advisoryx_refsource_DEBIAN |
| http://secunia.com/advisories/52106 | third-party-advisoryx_refsource_SECUNIA |
| http://www.openwall.com/lists/oss-security/2013/01/29/8 | mailing-listx_refsource_MLIST |
| http://www.mandriva.com/security/advisories?name=… | vendor-advisoryx_refsource_MANDRIVA |
| http://www.securityfocus.com/bid/57610 | vdb-entryx_refsource_BID |
| http://svn.ircd-hybrid.org:8000/viewcvs.cgi/ircd-… | x_refsource_CONFIRM |
| http://secunia.com/advisories/51948 | third-party-advisoryx_refsource_SECUNIA |
| https://exchange.xforce.ibmcloud.com/vulnerabilit… | vdb-entryx_refsource_XF |
| https://wiki.mageia.org/en/Support/Advisories/MGA… | x_refsource_CONFIRM |
| http://osvdb.org/89623 | vdb-entryx_refsource_OSVDB |
| http://www.exploit-db.com/exploits/24951 | exploitx_refsource_EXPLOIT-DB |
| http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699267 | x_refsource_CONFIRM |
Date Public
2013-01-29 00:00
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"criteria": "cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.3:*:*:*:*:*:*:*",
"matchCriteriaId": "D134E3FA-BAE8-47DB-A88E-01F005D7983B",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.4:*:*:*:*:*:*:*",
"matchCriteriaId": "E9C74B4A-6040-48CA-9165-6C8BCAB45CB5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The try_parse_v4_netmask function in hostmask.c in IRCD-Hybrid before 8.0.6 does not properly validate masks, which allows remote attackers to cause a denial of service (crash) via a mask that causes a negative number to be parsed."
},
{
"lang": "es",
"value": "La funci\u00f3n try_parse_v4_netmask en hostmask.c en IRCD-Hybrid anteriores a v8.0.6 no valida adecuadamente las mascaras, lo que permite a atacantes remotos causar una denegaci\u00f3n de servicio (ca\u00edda) a trav\u00e9s de una mascara que causa un n\u00famero negativo a analizar."
}
],
"id": "CVE-2013-0238",
"lastModified": "2026-04-29T01:13:23.040",
"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": "2013-02-13T01:55:04.090",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699267"
},
{
"source": "secalert@redhat.com",
"url": "http://osvdb.org/89623"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/51948"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/52106"
},
{
"source": "secalert@redhat.com",
"url": "http://svn.ircd-hybrid.org:8000/viewcvs.cgi/ircd-hybrid/trunk/src/hostmask.c?r1=1786\u0026r2=1785\u0026pathrev=1786"
},
{
"source": "secalert@redhat.com",
"url": "http://www.debian.org/security/2013/dsa-2618"
},
{
"source": "secalert@redhat.com",
"url": "http://www.exploit-db.com/exploits/24951"
},
{
"source": "secalert@redhat.com",
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2013:093"
},
{
"source": "secalert@redhat.com",
"url": "http://www.openwall.com/lists/oss-security/2013/01/29/8"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/bid/57610"
},
{
"source": "secalert@redhat.com",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/81695"
},
{
"source": "secalert@redhat.com",
"url": "https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0055"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699267"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://osvdb.org/89623"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/51948"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/52106"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://svn.ircd-hybrid.org:8000/viewcvs.cgi/ircd-hybrid/trunk/src/hostmask.c?r1=1786\u0026r2=1785\u0026pathrev=1786"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2013/dsa-2618"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.exploit-db.com/exploits/24951"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2013:093"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2013/01/29/8"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/57610"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/81695"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0055"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-11-21T12:45:49+00:00",
"cve": "CVE-2013-0238",
"id": "CVE-2013-0238",
"initial_release_date": "2013-01-28T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "ircd-hybrid: DoS due to not validating input when parsing masks",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2013/cve-2013-0238.json",
"version": "3"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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