{"id":"UBUNTU-CVE-2013-5915","details":"The RSA-CRT implementation in PolarSSL before 1.2.9 does not properly perform Montgomery multiplication, which might allow remote attackers to conduct a timing side-channel attack and retrieve RSA private keys.","modified":"2025-07-16T07:17:10.211643Z","published":"2013-10-04T17:55:00Z","withdrawn":"2025-07-18T16:42:56Z","upstream":["CVE-2013-5915"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2013-5915"},{"type":"REPORT","url":"https://polarssl.org/tech-updates/security-advisories/polarssl-security-advisory-2013-05"},{"type":"REPORT","url":"http://secunia.com/advisories/55084"},{"type":"REPORT","url":"http://osvdb.org/98049"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2013-5915"}],"affected":[{"package":{"name":"polarssl","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/polarssl@1.3.4-1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.4-1"}]}],"versions":["1.2.8-2","1.3.1-2","1.3.3-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libpolarssl-dev","binary_version":"1.3.4-1"},{"binary_name":"libpolarssl-runtime","binary_version":"1.3.4-1"},{"binary_name":"libpolarssl5","binary_version":"1.3.4-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2013/UBUNTU-CVE-2013-5915.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"medium"}]}