{"id":"USN-4551-1","summary":"squid3 vulnerabilities","details":"Alex Rousskov and Amit Klein discovered that Squid incorrectly handled\ncertain Content-Length headers. A remote attacker could possibly use this\nissue to perform an HTTP request smuggling attack, resulting in cache\npoisoning. (CVE-2020-15049)\n\nAmit Klein discovered that Squid incorrectly validated certain data. A\nremote attacker could possibly use this issue to perform an HTTP request\nsmuggling attack, resulting in cache poisoning. (CVE-2020-15810)\n\nRégis Leroy discovered that Squid incorrectly validated certain data. A\nremote attacker could possibly use this issue to perform an HTTP request\nsplitting attack, resulting in cache poisoning. (CVE-2020-15811)\n\nLubos Uhliarik discovered that Squid incorrectly handled certain Cache\nDigest response messages sent by trusted peers. A remote attacker could\npossibly use this issue to cause Squid to consume resources, resulting in a\ndenial of service. (CVE-2020-24606)\n","modified":"2026-02-10T04:41:56Z","published":"2020-09-28T16:41:05Z","related":["UBUNTU-CVE-2020-15049","UBUNTU-CVE-2020-15810","UBUNTU-CVE-2020-15811","UBUNTU-CVE-2020-24606"],"upstream":["CVE-2020-15049","CVE-2020-15810","CVE-2020-15811","CVE-2020-24606","UBUNTU-CVE-2020-15049","UBUNTU-CVE-2020-15810","UBUNTU-CVE-2020-15811","UBUNTU-CVE-2020-24606"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4551-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-15049"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-15810"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-15811"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-24606"}],"affected":[{"package":{"name":"squid3","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/squid3@3.5.12-1ubuntu7.15?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.12-1ubuntu7.15"}]}],"versions":["3.3.8-1ubuntu16","3.3.8-1ubuntu17","3.5.12-1ubuntu6","3.5.12-1ubuntu7","3.5.12-1ubuntu7.1","3.5.12-1ubuntu7.2","3.5.12-1ubuntu7.3","3.5.12-1ubuntu7.4","3.5.12-1ubuntu7.5","3.5.12-1ubuntu7.6","3.5.12-1ubuntu7.7","3.5.12-1ubuntu7.8","3.5.12-1ubuntu7.9","3.5.12-1ubuntu7.10","3.5.12-1ubuntu7.11","3.5.12-1ubuntu7.12","3.5.12-1ubuntu7.13","3.5.12-1ubuntu7.14"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"3.5.12-1ubuntu7.15","binary_name":"squid"},{"binary_version":"3.5.12-1ubuntu7.15","binary_name":"squid-cgi"},{"binary_version":"3.5.12-1ubuntu7.15","binary_name":"squid-common"},{"binary_version":"3.5.12-1ubuntu7.15","binary_name":"squid-purge"},{"binary_version":"3.5.12-1ubuntu7.15","binary_name":"squid3"},{"binary_version":"3.5.12-1ubuntu7.15","binary_name":"squidclient"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2020-15049"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-15810"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2020-15811"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-24606"}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4551-1.json"}},{"package":{"name":"squid3","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/squid3@3.5.27-1ubuntu1.9?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.27-1ubuntu1.9"}]}],"versions":["3.5.23-5ubuntu1","3.5.23-5ubuntu2","3.5.27-1ubuntu1","3.5.27-1ubuntu1.1","3.5.27-1ubuntu1.2","3.5.27-1ubuntu1.3","3.5.27-1ubuntu1.4","3.5.27-1ubuntu1.5","3.5.27-1ubuntu1.6","3.5.27-1ubuntu1.7","3.5.27-1ubuntu1.8"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"3.5.27-1ubuntu1.9","binary_name":"squid"},{"binary_version":"3.5.27-1ubuntu1.9","binary_name":"squid-cgi"},{"binary_version":"3.5.27-1ubuntu1.9","binary_name":"squid-common"},{"binary_version":"3.5.27-1ubuntu1.9","binary_name":"squid-purge"},{"binary_version":"3.5.27-1ubuntu1.9","binary_name":"squid3"},{"binary_version":"3.5.27-1ubuntu1.9","binary_name":"squidclient"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2020-15049"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-15810"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2020-15811"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-24606"}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4551-1.json"}}],"schema_version":"1.7.3"}