{"id":"USN-4405-1","summary":"glib-networking vulnerability","details":"It was discovered that glib-networking skipped hostname certificate\nverification if the application failed to specify the server\nidentity. A remote attacker could use this to perform a\nperson-in-the-middle attack and expose sensitive information.\n","modified":"2026-02-10T04:41:51Z","published":"2020-06-29T02:05:31Z","related":["UBUNTU-CVE-2020-13645"],"upstream":["CVE-2020-13645","UBUNTU-CVE-2020-13645"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4405-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-13645"}],"affected":[{"package":{"name":"glib-networking","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/glib-networking@2.48.2-1~ubuntu16.04.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.48.2-1~ubuntu16.04.2"}]}],"versions":["2.46.0-1","2.46.1-1","2.46.1-1build1","2.48.0-1","2.48.2-1~ubuntu16.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.48.2-1~ubuntu16.04.2","binary_name":"glib-networking"},{"binary_version":"2.48.2-1~ubuntu16.04.2","binary_name":"glib-networking-common"},{"binary_version":"2.48.2-1~ubuntu16.04.2","binary_name":"glib-networking-services"},{"binary_version":"2.48.2-1~ubuntu16.04.2","binary_name":"glib-networking-tests"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4405-1.json","cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2020-13645"}]}}},{"package":{"name":"glib-networking","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/glib-networking@2.56.0-1ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.56.0-1ubuntu0.1"}]}],"versions":["2.54.0-1","2.54.1-1","2.54.1-2","2.55.90-1","2.56.0-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.56.0-1ubuntu0.1","binary_name":"glib-networking"},{"binary_version":"2.56.0-1ubuntu0.1","binary_name":"glib-networking-common"},{"binary_version":"2.56.0-1ubuntu0.1","binary_name":"glib-networking-services"},{"binary_version":"2.56.0-1ubuntu0.1","binary_name":"glib-networking-tests"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4405-1.json","cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2020-13645"}]}}},{"package":{"name":"glib-networking","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/glib-networking@2.64.2-1ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.64.2-1ubuntu0.1"}]}],"versions":["2.62.1-1","2.63.2-1","2.63.3-0build1","2.63.90-1ubuntu1","2.63.91-1ubuntu1","2.64.0-1","2.64.1-1","2.64.2-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.64.2-1ubuntu0.1","binary_name":"glib-networking"},{"binary_version":"2.64.2-1ubuntu0.1","binary_name":"glib-networking-common"},{"binary_version":"2.64.2-1ubuntu0.1","binary_name":"glib-networking-services"},{"binary_version":"2.64.2-1ubuntu0.1","binary_name":"glib-networking-tests"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4405-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2020-13645"}]}}}],"schema_version":"1.7.3"}