{"id":"UBUNTU-CVE-2017-13098","details":"BouncyCastle TLS prior to version 1.0.3, when configured to use the JCE (Java Cryptography Extension) for cryptographic functions, provides a weak Bleichenbacher oracle when any TLS cipher suite using RSA key exchange is negotiated. An attacker can recover the private key from a vulnerable application. This vulnerability is referred to as \"ROBOT.\"","modified":"2025-07-16T07:35:59.887198Z","published":"2017-12-13T01:29:00Z","withdrawn":"2025-07-18T16:44:07Z","upstream":["CVE-2017-13098"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-13098"},{"type":"REPORT","url":"https://robotattack.org/"},{"type":"REPORT","url":"http://www.kb.cert.org/vuls/id/144389"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-13098"}],"affected":[{"package":{"name":"bouncycastle","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/bouncycastle@1.59-1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.59-1"}]}],"versions":["1.57-1","1.58-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.59-1","binary_name":"libbcmail-java"},{"binary_version":"1.59-1","binary_name":"libbcmail-java-doc"},{"binary_version":"1.59-1","binary_name":"libbcpg-java"},{"binary_version":"1.59-1","binary_name":"libbcpg-java-doc"},{"binary_version":"1.59-1","binary_name":"libbcpkix-java"},{"binary_version":"1.59-1","binary_name":"libbcpkix-java-doc"},{"binary_version":"1.59-1","binary_name":"libbcprov-java"},{"binary_version":"1.59-1","binary_name":"libbcprov-java-doc"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-13098.json"}}],"schema_version":"1.7.3","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":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}