{"id":"USN-3347-1","summary":"libgcrypt11, libgcrypt20 vulnerabilities","details":"Daniel J. Bernstein, Joachim Breitner, Daniel Genkin, Leon Groot\nBruinderink, Nadia Heninger, Tanja Lange, Christine van Vredendaal, and\nYuval Yarom discovered that Libgcrypt was susceptible to an attack via\nside channels. A local attacker could use this attack to recover RSA\nprivate keys. (CVE-2017-7526)\n\nIt was discovered that Libgcrypt was susceptible to an attack via\nside channels. A local attacker could use this attack to possibly recover\nEdDSA private keys. This issue only applied to Ubuntu 16.04 LTS, Ubuntu\n16.10 and Ubuntu 17.04. (CVE-2017-9526)\n","modified":"2026-02-10T04:41:09Z","published":"2017-07-03T18:40:30Z","related":["UBUNTU-CVE-2017-7526","UBUNTU-CVE-2017-9526"],"upstream":["CVE-2017-7526","CVE-2017-9526","UBUNTU-CVE-2017-7526","UBUNTU-CVE-2017-9526"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3347-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-7526"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-9526"}],"affected":[{"package":{"name":"libgcrypt11","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt11@1.5.3-2ubuntu4.5?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.3-2ubuntu4.5"}]}],"versions":["1.5.0-3ubuntu3","1.5.3-2ubuntu1","1.5.3-2ubuntu4","1.5.3-2ubuntu4.1","1.5.3-2ubuntu4.2","1.5.3-2ubuntu4.3","1.5.3-2ubuntu4.4"],"ecosystem_specific":{"binaries":[{"binary_name":"libgcrypt11","binary_version":"1.5.3-2ubuntu4.5"},{"binary_name":"libgcrypt11-dev","binary_version":"1.5.3-2ubuntu4.5"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2017-7526","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3347-1.json"}},{"package":{"name":"libgcrypt20","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt20@1.6.5-2ubuntu0.3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.5-2ubuntu0.3"}]}],"versions":["1.6.3-2ubuntu1","1.6.4-3","1.6.4-4","1.6.4-5","1.6.5-2","1.6.5-2ubuntu0.2"],"ecosystem_specific":{"binaries":[{"binary_name":"libgcrypt11-dev","binary_version":"1.5.4-3+really1.6.5-2ubuntu0.3"},{"binary_name":"libgcrypt20","binary_version":"1.6.5-2ubuntu0.3"},{"binary_name":"libgcrypt20-dev","binary_version":"1.6.5-2ubuntu0.3"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2017-7526","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2017-9526","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"low"}]}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3347-1.json"}}],"schema_version":"1.7.3"}