CVE-2023-46847 Squid: denial of service in http digest authentication

2023-11-0307:58:05

CWE-120

redhat

www.cve.org

squid

denial of service

http digest authentication

buffer overflow

remote attacker

heap memory

8.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

9.4 High

AI Score

Confidence

High

0.03 Low

EPSS

Percentile

91.0%

JSON

Squid is vulnerable to a Denial of Service, where a remote attacker can perform buffer overflow attack by writing up to 2 MB of arbitrary data to heap memory when Squid is configured to accept HTTP Digest Authentication.

CNA Affected

[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 6 Extended Lifecycle Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "squid34",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "7:3.4.14-15.el6_10.1",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:rhel_els:6"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 6 Extended Lifecycle Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "squid",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "7:3.1.23-24.el6_10.1",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:rhel_els:6"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "squid",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "7:3.5.20-17.el7_9.9",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7::server",
      "cpe:/o:redhat:enterprise_linux:7::workstation"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7.6 Advanced Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "squid",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "7:3.5.20-12.el7_6.2",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:rhel_aus:7.6::server"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7.7 Advanced Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "squid",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "7:3.5.20-13.el7_7.1",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:rhel_aus:7.7::server"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "squid:4",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "8080020231030214932.63b34585",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:8::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "squid:4",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "8090020231030224841.a75119d5",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:8::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "squid:4",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "8010020231101141358.c27ad7f8",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhel_e4s:8.1::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8.2 Advanced Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "squid:4",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "8020020231101135052.4cda2c84",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhel_tus:8.2::appstream",
      "cpe:/a:redhat:rhel_aus:8.2::appstream",
      "cpe:/a:redhat:rhel_e4s:8.2::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8.2 Telecommunications Update Service",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "squid:4",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "8020020231101135052.4cda2c84",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhel_tus:8.2::appstream",
      "cpe:/a:redhat:rhel_aus:8.2::appstream",
      "cpe:/a:redhat:rhel_e4s:8.2::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "squid:4",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "8020020231101135052.4cda2c84",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhel_tus:8.2::appstream",
      "cpe:/a:redhat:rhel_aus:8.2::appstream",
      "cpe:/a:redhat:rhel_e4s:8.2::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "squid:4",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "8040020231101101624.522a0ee4",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhel_aus:8.4::appstream",
      "cpe:/a:redhat:rhel_e4s:8.4::appstream",
      "cpe:/a:redhat:rhel_tus:8.4::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "squid:4",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "8040020231101101624.522a0ee4",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhel_aus:8.4::appstream",
      "cpe:/a:redhat:rhel_e4s:8.4::appstream",
      "cpe:/a:redhat:rhel_tus:8.4::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "squid:4",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "8040020231101101624.522a0ee4",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhel_aus:8.4::appstream",
      "cpe:/a:redhat:rhel_e4s:8.4::appstream",
      "cpe:/a:redhat:rhel_tus:8.4::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8.6 Extended Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "squid:4",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "8060020231031165747.ad008a3a",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhel_eus:8.6::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "squid",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "7:5.5-5.el9_2.1",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:9::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "squid",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "7:5.5-6.el9_3.1",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:9::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9.0 Extended Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "squid",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "7:5.2-1.el9_0.3",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhel_eus:9.0::appstream"
    ]
  }
]