{"id":"UBUNTU-CVE-2018-10846","details":"A cache-based side channel in GnuTLS implementation that leads to plain text recovery in cross-VM attack setting was found. An attacker could use a combination of \"Just in Time\" Prime+probe attack in combination with Lucky-13 attack to recover plain text using crafted packets.","modified":"2026-01-30T02:23:45.617241Z","published":"2018-08-22T00:00:00Z","related":["USN-3999-1"],"upstream":["CVE-2018-10846"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-10846"},{"type":"REPORT","url":"https://eprint.iacr.org/2018/747"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3999-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-10846"}],"affected":[{"package":{"name":"gnutls26","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/gnutls26@2.12.23-12ubuntu2.8?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12.23-1ubuntu4","2.12.23-1ubuntu5","2.12.23-12ubuntu1","2.12.23-12ubuntu2","2.12.23-12ubuntu2.1","2.12.23-12ubuntu2.2","2.12.23-12ubuntu2.3","2.12.23-12ubuntu2.4","2.12.23-12ubuntu2.5","2.12.23-12ubuntu2.6","2.12.23-12ubuntu2.7","2.12.23-12ubuntu2.8"],"ecosystem_specific":{"binaries":[{"binary_name":"gnutls-bin","binary_version":"3.0.11+really2.12.23-12ubuntu2.8"},{"binary_name":"libgnutls-dev","binary_version":"2.12.23-12ubuntu2.8"},{"binary_name":"libgnutls-openssl27","binary_version":"2.12.23-12ubuntu2.8"},{"binary_name":"libgnutls26","binary_version":"2.12.23-12ubuntu2.8"},{"binary_name":"libgnutlsxx27","binary_version":"2.12.23-12ubuntu2.8"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-10846.json"}},{"package":{"name":"gnutls28","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/gnutls28@3.4.10-4ubuntu1.5?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.10-4ubuntu1.5"}]}],"versions":["3.3.15-5ubuntu2","3.3.18-1ubuntu1","3.3.20-1ubuntu1","3.4.9-2ubuntu1","3.4.10-4ubuntu1","3.4.10-4ubuntu1.1","3.4.10-4ubuntu1.2","3.4.10-4ubuntu1.3","3.4.10-4ubuntu1.4"],"ecosystem_specific":{"binaries":[{"binary_name":"gnutls-bin","binary_version":"3.4.10-4ubuntu1.5"},{"binary_name":"guile-gnutls","binary_version":"3.4.10-4ubuntu1.5"},{"binary_name":"libgnutls-dev","binary_version":"3.4.10-4ubuntu1.5"},{"binary_name":"libgnutls-openssl27","binary_version":"3.4.10-4ubuntu1.5"},{"binary_name":"libgnutls28-dev","binary_version":"3.4.10-4ubuntu1.5"},{"binary_name":"libgnutls30","binary_version":"3.4.10-4ubuntu1.5"},{"binary_name":"libgnutlsxx28","binary_version":"3.4.10-4ubuntu1.5"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-10846.json"}},{"package":{"name":"gnutls28","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/gnutls28@3.5.18-1ubuntu1.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.18-1ubuntu1.1"}]}],"versions":["3.5.8-6ubuntu3","3.5.17-1ubuntu1","3.5.17-1ubuntu3","3.5.18-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"gnutls-bin","binary_version":"3.5.18-1ubuntu1.1"},{"binary_name":"libgnutls-dane0","binary_version":"3.5.18-1ubuntu1.1"},{"binary_name":"libgnutls-openssl27","binary_version":"3.5.18-1ubuntu1.1"},{"binary_name":"libgnutls28-dev","binary_version":"3.5.18-1ubuntu1.1"},{"binary_name":"libgnutls30","binary_version":"3.5.18-1ubuntu1.1"},{"binary_name":"libgnutlsxx28","binary_version":"3.5.18-1ubuntu1.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-10846.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}