{"id":"USN-4289-1","summary":"squid, squid3 vulnerabilities","details":"Jeriko One discovered that Squid incorrectly handled memory when connected\nto an FTP server. A remote attacker could possibly use this issue to obtain\nsensitive information from Squid memory. (CVE-2019-12528)\n\nRegis Leroy discovered that Squid incorrectly handled certain HTTP\nrequests. A remote attacker could possibly use this issue to access server\nresources prohibited by earlier security filters. (CVE-2020-8449)\n\nGuido Vranken discovered that Squid incorrectly handled certain buffer\noperations when acting as a reverse proxy. A remote attacker could use\nthis issue to cause Squid to crash, resulting in a denial of service, or\npossibly execute arbitrary code. (CVE-2020-8450)\n\nAaron Costello discovered that Squid incorrectly handled certain NTLM\nauthentication credentials. A remote attacker could possibly use this issue\nto cause Squid to crash, resulting in a denial of service. (CVE-2020-8517)\n","modified":"2026-02-10T04:41:47Z","published":"2020-02-20T15:17:45Z","related":["UBUNTU-CVE-2019-12528","UBUNTU-CVE-2020-8449","UBUNTU-CVE-2020-8450","UBUNTU-CVE-2020-8517"],"upstream":["CVE-2019-12528","CVE-2020-8449","CVE-2020-8450","CVE-2020-8517","UBUNTU-CVE-2019-12528","UBUNTU-CVE-2020-8449","UBUNTU-CVE-2020-8450","UBUNTU-CVE-2020-8517"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4289-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-12528"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8449"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8450"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8517"}],"affected":[{"package":{"name":"squid3","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/squid3@3.5.12-1ubuntu7.10?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.12-1ubuntu7.10"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"squid","binary_version":"3.5.12-1ubuntu7.10"},{"binary_name":"squid-cgi","binary_version":"3.5.12-1ubuntu7.10"},{"binary_name":"squid-common","binary_version":"3.5.12-1ubuntu7.10"},{"binary_name":"squid-purge","binary_version":"3.5.12-1ubuntu7.10"},{"binary_name":"squid3","binary_version":"3.5.12-1ubuntu7.10"},{"binary_name":"squidclient","binary_version":"3.5.12-1ubuntu7.10"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2019-12528"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2020-8449"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2020-8450"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2020-8517"}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4289-1.json"}},{"package":{"name":"squid3","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/squid3@3.5.27-1ubuntu1.5?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.27-1ubuntu1.5"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"squid","binary_version":"3.5.27-1ubuntu1.5"},{"binary_name":"squid-cgi","binary_version":"3.5.27-1ubuntu1.5"},{"binary_name":"squid-common","binary_version":"3.5.27-1ubuntu1.5"},{"binary_name":"squid-purge","binary_version":"3.5.27-1ubuntu1.5"},{"binary_name":"squid3","binary_version":"3.5.27-1ubuntu1.5"},{"binary_name":"squidclient","binary_version":"3.5.27-1ubuntu1.5"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2019-12528"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2020-8449"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2020-8450"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2020-8517"}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4289-1.json"}}],"schema_version":"1.7.3"}