fkie_cve-2018-1172
Vulnerability from fkie_nvd
Published
2018-05-16 21:29
Modified
2024-11-21 03:59
Severity ?
Summary
This vulnerability allows remote attackers to deny service on vulnerable installations of The Squid Software Foundation Squid 3.5.27-20180318. Authentication is not required to exploit this vulnerability. The specific flaw exists within ClientRequestContext::sslBumpAccessCheck(). A crafted request can trigger the dereference of a null pointer. An attacker can leverage this vulnerability to create a denial-of-service condition to users of the system. Was ZDI-CAN-6088.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| zdi-disclosures@trendmicro.com | http://www.squid-cache.org/Advisories/SQUID-2018_3.txt | Vendor Advisory | |
| zdi-disclosures@trendmicro.com | https://zerodayinitiative.com/advisories/ZDI-18-309 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.squid-cache.org/Advisories/SQUID-2018_3.txt | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://zerodayinitiative.com/advisories/ZDI-18-309 | Third Party Advisory, VDB Entry |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| squid-cache | squid | 3.5.27 |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:squid-cache:squid:3.5.27:*:*:*:*:*:*:*",
"matchCriteriaId": "D83BE9E6-CEAF-47B8-9501-68FC6AB94BB8",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "This vulnerability allows remote attackers to deny service on vulnerable installations of The Squid Software Foundation Squid 3.5.27-20180318. Authentication is not required to exploit this vulnerability. The specific flaw exists within ClientRequestContext::sslBumpAccessCheck(). A crafted request can trigger the dereference of a null pointer. An attacker can leverage this vulnerability to create a denial-of-service condition to users of the system. Was ZDI-CAN-6088."
},
{
"lang": "es",
"value": "Esta vulnerabilidad permite que atacantes remotos denieguen el servicio de instalaciones vulnerables de The Squid Software Foundation Squid 3.5.27-20180318. No se requiere autenticaci\u00f3n para explotar esta vulnerabilidad. Este error en concreto existe en ClientRequestContext::sslBumpAccessCheck(). Una petici\u00f3n manipulada puede desencadenar la desreferencia de un puntero NULL. Un atacante puede aprovechar esta vulnerabilidad para crear una condici\u00f3n de denegaci\u00f3n de servicio (DoS) a los usuarios del sistema. Anteriormente era ZDI-CAN-6088."
}
],
"id": "CVE-2018-1172",
"lastModified": "2024-11-21T03:59:19.947",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.0"
},
"exploitabilityScore": 2.2,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2018-05-16T21:29:00.280",
"references": [
{
"source": "zdi-disclosures@trendmicro.com",
"tags": [
"Vendor Advisory"
],
"url": "http://www.squid-cache.org/Advisories/SQUID-2018_3.txt"
},
{
"source": "zdi-disclosures@trendmicro.com",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "https://zerodayinitiative.com/advisories/ZDI-18-309"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://www.squid-cache.org/Advisories/SQUID-2018_3.txt"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "https://zerodayinitiative.com/advisories/ZDI-18-309"
}
],
"sourceIdentifier": "zdi-disclosures@trendmicro.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-476"
}
],
"source": "zdi-disclosures@trendmicro.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-476"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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