gsd-2021-31808
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to an input-validation bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy). A client sends an HTTP Range request to trigger this.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-31808",
"description": "An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to an input-validation bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy). A client sends an HTTP Range request to trigger this.",
"id": "GSD-2021-31808",
"references": [
"https://www.suse.com/security/cve/CVE-2021-31808.html",
"https://www.debian.org/security/2021/dsa-4924",
"https://access.redhat.com/errata/RHSA-2021:4292",
"https://ubuntu.com/security/CVE-2021-31808",
"https://advisories.mageia.org/CVE-2021-31808.html",
"https://security.archlinux.org/CVE-2021-31808",
"https://linux.oracle.com/cve/CVE-2021-31808.html",
"https://alas.aws.amazon.com/cve/html/CVE-2021-31808.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-31808"
],
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"id": "GSD-2021-31808",
"modified": "2023-12-13T01:23:13.290214Z",
"schema_version": "1.4.0"
}
},
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"STATE": "PUBLIC"
},
"affects": {
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"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
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"version_value": "n/a"
}
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}
}
]
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}
]
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"name": "https://github.com/squid-cache/squid/security/advisories/GHSA-pxwq-f3qr-w2xf",
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"url": "https://github.com/squid-cache/squid/security/advisories/GHSA-pxwq-f3qr-w2xf"
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"url": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-e7cf864f938f24eea8af0692c04d16790983c823.patch"
},
{
"name": "DSA-4924",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2021/dsa-4924"
},
{
"name": "FEDORA-2021-c0bec55ec7",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/"
},
{
"name": "FEDORA-2021-24af72ff2c",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/"
},
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"name": "[debian-lts-announce] 20210614 [SECURITY] [DLA 2685-1] squid3 security update",
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"url": "https://security.netapp.com/advisory/ntap-20210716-0007/"
},
{
"name": "[oss-security] 20231011 Squid Caching Proxy Security Audit: 55 Vulnerabilities, 35 0days.",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2023/10/11/3"
},
{
"name": "20231016 Squid Caching Proxy Security Audit: 55 Vulnerabilities, 35 0days.",
"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2023/Oct/14"
}
]
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
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"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "5.0.6",
"versionStartIncluding": "5.0",
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{
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"cpe_name": [],
"versionEndExcluding": "4.15",
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"operator": "OR"
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{
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{
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"operator": "OR"
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{
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"cpe_match": [
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"operator": "OR"
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{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
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{
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}
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},
"problemtype": {
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"description": [
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},
"references": {
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{
"name": "https://github.com/squid-cache/squid/security/advisories/GHSA-pxwq-f3qr-w2xf",
"refsource": "MISC",
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"url": "https://github.com/squid-cache/squid/security/advisories/GHSA-pxwq-f3qr-w2xf"
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{
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"url": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-e7cf864f938f24eea8af0692c04d16790983c823.patch"
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{
"name": "DSA-4924",
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"Mailing List",
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"url": "http://www.openwall.com/lists/oss-security/2023/10/11/3"
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{
"name": "20231016 Squid Caching Proxy Security Audit: 55 Vulnerabilities, 35 0days.",
"refsource": "FULLDISC",
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"Mailing List",
"Third Party Advisory"
],
"url": "http://seclists.org/fulldisclosure/2023/Oct/14"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
}
},
"lastModifiedDate": "2023-10-24T14:39Z",
"publishedDate": "2021-05-27T14:15Z"
}
}
}
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- 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.