GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

FKIE_CVE-2016-4554

Vulnerability from fkie_nvd - Published: 2016-05-10 19:59 - Updated: 2026-06-17 00:47
Summary
mime_header.cc in Squid before 3.5.18 allows remote attackers to bypass intended same-origin restrictions and possibly conduct cache-poisoning attacks via a crafted HTTP Host header, aka a "header smuggling" issue.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
cve@mitre.orghttp://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
cve@mitre.orghttp://www.debian.org/security/2016/dsa-3625
cve@mitre.orghttp://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlThird Party Advisory
cve@mitre.orghttp://www.securitytracker.com/id/1035769Third Party Advisory
cve@mitre.orghttp://www.squid-cache.org/Advisories/SQUID-2016_8.txtVendor Advisory
cve@mitre.orghttp://www.squid-cache.org/Versions/v3/3.1/changesets/SQUID-2016_8.patchPatch
cve@mitre.orghttp://www.squid-cache.org/Versions/v3/3.2/changesets/SQUID-2016_8.patchPatch
cve@mitre.orghttp://www.squid-cache.org/Versions/v3/3.3/changesets/SQUID-2016_8.patchPatch
cve@mitre.orghttp://www.squid-cache.org/Versions/v3/3.4/changesets/SQUID-2016_8.patchPatch
cve@mitre.orghttp://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2016_8.patchPatch
cve@mitre.orghttp://www.ubuntu.com/usn/USN-2995-1Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2016:1138
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2016:1139
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2016:1140
cve@mitre.orghttps://security.gentoo.org/glsa/201607-01
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2016/dsa-3625
af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1035769Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.squid-cache.org/Advisories/SQUID-2016_8.txtVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.squid-cache.org/Versions/v3/3.1/changesets/SQUID-2016_8.patchPatch
af854a3a-2127-422b-91ae-364da2661108http://www.squid-cache.org/Versions/v3/3.2/changesets/SQUID-2016_8.patchPatch
af854a3a-2127-422b-91ae-364da2661108http://www.squid-cache.org/Versions/v3/3.3/changesets/SQUID-2016_8.patchPatch
af854a3a-2127-422b-91ae-364da2661108http://www.squid-cache.org/Versions/v3/3.4/changesets/SQUID-2016_8.patchPatch
af854a3a-2127-422b-91ae-364da2661108http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2016_8.patchPatch
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-2995-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2016:1138
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2016:1139
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2016:1140
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201607-01
Impacted products

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*",
              "matchCriteriaId": "CC7A498A-A669-4C42-8134-86103C799D13",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*",
              "matchCriteriaId": "104DA87B-DEE4-4262-AE50-8E6BC43B228B",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C563F5CC-F4FB-4440-981E-EA2C003A639C",
              "versionEndIncluding": "3.5.17",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*",
              "matchCriteriaId": "E88A537F-F4D0-46B9-9E37-965233C2A355",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "mime_header.cc in Squid before 3.5.18 allows remote attackers to bypass intended same-origin restrictions and possibly conduct cache-poisoning attacks via a crafted HTTP Host header, aka a \"header smuggling\" issue."
    },
    {
      "lang": "es",
      "value": "mime_header.cc en Squid en versiones anteriores a 3.5.18 permite a atacantes remotos eludir restricciones destinadas al mismo origen y posiblemente llevar a cabo ataques de envenenamiento de cach\u00e9 a trav\u00e9s de una cabecera HTTP Host manipulada, tambi\u00e9n conocido como un problema \"contrabando de peticiones\"."
    }
  ],
  "id": "CVE-2016-4554",
  "lastModified": "2026-06-17T00:47:46.273",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.6,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.0,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2016-05-10T19:59:01.307",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.debian.org/security/2016/dsa-3625"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.securitytracker.com/id/1035769"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.squid-cache.org/Advisories/SQUID-2016_8.txt"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "http://www.squid-cache.org/Versions/v3/3.1/changesets/SQUID-2016_8.patch"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "http://www.squid-cache.org/Versions/v3/3.2/changesets/SQUID-2016_8.patch"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "http://www.squid-cache.org/Versions/v3/3.3/changesets/SQUID-2016_8.patch"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "http://www.squid-cache.org/Versions/v3/3.4/changesets/SQUID-2016_8.patch"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2016_8.patch"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-2995-1"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2016:1138"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2016:1139"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2016:1140"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://security.gentoo.org/glsa/201607-01"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-updates/2016-08/msg00069.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.debian.org/security/2016/dsa-3625"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.securitytracker.com/id/1035769"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.squid-cache.org/Advisories/SQUID-2016_8.txt"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://www.squid-cache.org/Versions/v3/3.1/changesets/SQUID-2016_8.patch"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://www.squid-cache.org/Versions/v3/3.2/changesets/SQUID-2016_8.patch"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://www.squid-cache.org/Versions/v3/3.3/changesets/SQUID-2016_8.patch"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://www.squid-cache.org/Versions/v3/3.4/changesets/SQUID-2016_8.patch"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://www.squid-cache.org/Versions/v3/3.5/changesets/SQUID-2016_8.patch"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-2995-1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://access.redhat.com/errata/RHSA-2016:1138"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://access.redhat.com/errata/RHSA-2016:1139"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://access.redhat.com/errata/RHSA-2016:1140"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.gentoo.org/glsa/201607-01"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-345"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

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.


Loading…