gsd-2021-31806
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 a memory-management bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy) via HTTP Range request processing.
Aliases
Aliases
CVE-2021-31806


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-31806",
    "description": "An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a memory-management bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy) via HTTP Range request processing.",
    "id": "GSD-2021-31806",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-31806.html",
      "https://www.debian.org/security/2021/dsa-4924",
      "https://access.redhat.com/errata/RHSA-2021:4292",
      "https://ubuntu.com/security/CVE-2021-31806",
      "https://advisories.mageia.org/CVE-2021-31806.html",
      "https://security.archlinux.org/CVE-2021-31806",
      "https://linux.oracle.com/cve/CVE-2021-31806.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2021-31806.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-31806"
      ],
      "details": "An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a memory-management bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy) via HTTP Range request processing.",
      "id": "GSD-2021-31806",
      "modified": "2023-12-13T01:23:13.065907Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-31806",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
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          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/squid-cache/squid/security/advisories/GHSA-pxwq-f3qr-w2xf",
            "refsource": "MISC",
            "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-pxwq-f3qr-w2xf"
          },
          {
            "name": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-e7cf864f938f24eea8af0692c04d16790983c823.patch",
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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/"
          },
          {
            "name": "[debian-lts-announce] 20210614 [SECURITY] [DLA 2685-1] squid3 security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20210716-0007/",
            "refsource": "CONFIRM",
            "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": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "5.0.6",
                "versionStartIncluding": "5.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "4.15",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:netapp:cloud_manager:-:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-31806"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "value": "An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a memory-management bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy) via HTTP Range request processing."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-116"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/squid-cache/squid/security/advisories/GHSA-pxwq-f3qr-w2xf",
              "refsource": "MISC",
              "tags": [
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              ],
              "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-pxwq-f3qr-w2xf"
            },
            {
              "name": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-e7cf864f938f24eea8af0692c04d16790983c823.patch",
              "refsource": "MISC",
              "tags": [
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              "url": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-e7cf864f938f24eea8af0692c04d16790983c823.patch"
            },
            {
              "name": "DSA-4924",
              "refsource": "DEBIAN",
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              ],
              "url": "https://www.debian.org/security/2021/dsa-4924"
            },
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            },
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            },
            {
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              "refsource": "MLIST",
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                "Third Party Advisory"
              ],
              "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20210716-0007/",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://security.netapp.com/advisory/ntap-20210716-0007/"
            },
            {
              "name": "[oss-security] 20231011 Squid Caching Proxy Security Audit: 55 Vulnerabilities, 35 0days.",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2023/10/11/3"
            },
            {
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              "refsource": "FULLDISC",
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                "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": "2023-10-24T14:36Z",
      "publishedDate": "2021-05-27T13:15Z"
    }
  }
}


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