gsd-2020-15049
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing "+\ "-" or an uncommon shell whitespace character prefix to the length field-value.
Aliases
Aliases
CVE-2020-15049


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-15049",
    "description": "An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing \"+\\ \"-\" or an uncommon shell whitespace character prefix to the length field-value.",
    "id": "GSD-2020-15049",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-15049.html",
      "https://www.debian.org/security/2020/dsa-4732",
      "https://access.redhat.com/errata/RHSA-2020:4743",
      "https://access.redhat.com/errata/RHSA-2020:4082",
      "https://ubuntu.com/security/CVE-2020-15049",
      "https://alas.aws.amazon.com/cve/html/CVE-2020-15049.html",
      "https://linux.oracle.com/cve/CVE-2020-15049.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-15049"
      ],
      "details": "An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing \"+\\ \"-\" or an uncommon shell whitespace character prefix to the length field-value.",
      "id": "GSD-2020-15049",
      "modified": "2023-12-13T01:21:43.234363Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-15049",
        "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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      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
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            "lang": "eng",
            "value": "An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing \"+\\ \"-\" or an uncommon shell whitespace character prefix to the length field-value."
          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:L/S:C/UI:N",
          "version": "3.0"
        }
      },
      "problemtype": {
        "problemtype_data": [
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              {
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                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-ea12a34d338b962707d5078d6d1fc7c6eb119a22.patch",
            "refsource": "MISC",
            "url": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-ea12a34d338b962707d5078d6d1fc7c6eb119a22.patch"
          },
          {
            "name": "http://www.squid-cache.org/Versions/v5/changesets/squid-5-485c9a7bb1bba88754e07ad0094647ea57a6eb8d.patch",
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            "url": "http://www.squid-cache.org/Versions/v5/changesets/squid-5-485c9a7bb1bba88754e07ad0094647ea57a6eb8d.patch"
          },
          {
            "name": "https://github.com/squid-cache/squid/security/advisories/GHSA-qf3v-rc95-96j5",
            "refsource": "CONFIRM",
            "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-qf3v-rc95-96j5"
          },
          {
            "name": "FEDORA-2020-cbebc5617e",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3RG5FGSTCAYVIJPJHIY3MRZ7NFT6HDO7/"
          },
          {
            "name": "DSA-4732",
            "refsource": "DEBIAN",
            "url": "https://www.debian.org/security/2020/dsa-4732"
          },
          {
            "name": "openSUSE-SU-2020:1346",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00012.html"
          },
          {
            "name": "openSUSE-SU-2020:1369",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00017.html"
          },
          {
            "name": "USN-4551-1",
            "refsource": "UBUNTU",
            "url": "https://usn.ubuntu.com/4551-1/"
          },
          {
            "name": "[debian-lts-announce] 20201002 [SECURITY] [DLA 2394-1] squid3 security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00005.html"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20210312-0001/",
            "refsource": "CONFIRM",
            "url": "https://security.netapp.com/advisory/ntap-20210312-0001/"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2.6",
                "versionStartIncluding": "2.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:squid-cache:squid:2.7:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:squid-cache:squid:2.7:stable2:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:squid-cache:squid:2.7:stable3:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:squid-cache:squid:2.7:stable4:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:squid-cache:squid:2.7:stable5:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:squid-cache:squid:2.7:stable6:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:squid-cache:squid:2.7:stable7:*:*:*:*:*:*",
                "cpe_name": [],
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              },
              {
                "cpe23Uri": "cpe:2.3:a:squid-cache:squid:2.7:stable8:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:squid-cache:squid:2.7:stable9:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "3.5.28",
                "versionStartIncluding": "3.1",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "4.12",
                "versionStartIncluding": "4.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "5.0.3",
                "versionStartIncluding": "5.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-15049"
        },
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing \"+\\ \"-\" or an uncommon shell whitespace character prefix to the length field-value."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-444"
                }
              ]
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-ea12a34d338b962707d5078d6d1fc7c6eb119a22.patch",
              "refsource": "MISC",
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                "Patch",
                "Vendor Advisory"
              ],
              "url": "http://www.squid-cache.org/Versions/v4/changesets/squid-4-ea12a34d338b962707d5078d6d1fc7c6eb119a22.patch"
            },
            {
              "name": "https://github.com/squid-cache/squid/security/advisories/GHSA-qf3v-rc95-96j5",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-qf3v-rc95-96j5"
            },
            {
              "name": "http://www.squid-cache.org/Versions/v5/changesets/squid-5-485c9a7bb1bba88754e07ad0094647ea57a6eb8d.patch",
              "refsource": "MISC",
              "tags": [
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                "Vendor Advisory"
              ],
              "url": "http://www.squid-cache.org/Versions/v5/changesets/squid-5-485c9a7bb1bba88754e07ad0094647ea57a6eb8d.patch"
            },
            {
              "name": "FEDORA-2020-cbebc5617e",
              "refsource": "FEDORA",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3RG5FGSTCAYVIJPJHIY3MRZ7NFT6HDO7/"
            },
            {
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              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00012.html"
            },
            {
              "name": "openSUSE-SU-2020:1369",
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              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00017.html"
            },
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              "tags": [],
              "url": "https://usn.ubuntu.com/4551-1/"
            },
            {
              "name": "[debian-lts-announce] 20201002 [SECURITY] [DLA 2394-1] squid3 security update",
              "refsource": "MLIST",
              "tags": [],
              "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00005.html"
            },
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              "name": "https://security.netapp.com/advisory/ntap-20210312-0001/",
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              "tags": [],
              "url": "https://security.netapp.com/advisory/ntap-20210312-0001/"
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          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2021-03-12T13:15Z",
      "publishedDate": "2020-06-30T18:15Z"
    }
  }
}


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