{"id":"UBUNTU-CVE-2014-5270","details":"Libgcrypt before 1.5.4, as used in GnuPG and other products, does not properly perform ciphertext normalization and ciphertext randomization, which makes it easier for physically proximate attackers to conduct key-extraction attacks by leveraging the ability to collect voltage data from exposed metal, a different vector than CVE-2013-4576.","modified":"2026-04-22T09:47:00.362231Z","published":"2014-08-18T00:00:00Z","related":["USN-2339-1","USN-2339-2","USN-2554-1"],"upstream":["CVE-2014-5270"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2014-5270"},{"type":"REPORT","url":"http://lists.gnupg.org/pipermail/gnupg-announce/2014q3/000352.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2339-2"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2339-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2014-5270"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2554-1"}],"affected":[{"package":{"name":"libgcrypt11","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libgcrypt11@1.5.3-2ubuntu4.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.3-2ubuntu4.1"}]}],"versions":["1.5.0-3ubuntu3","1.5.3-2ubuntu1","1.5.3-2ubuntu4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.5.3-2ubuntu4.1","binary_name":"libgcrypt11"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-5270.json"}}],"schema_version":"1.7.5","severity":[{"type":"Ubuntu","score":"medium"}]}