{"id":"UBUNTU-CVE-2017-13099","details":"wolfSSL prior to version 3.12.2 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 wolfSSL application. This vulnerability is referred to as \"ROBOT.\"","modified":"2026-04-22T11:14:29.459631Z","published":"2017-12-13T01:29:00Z","upstream":["CVE-2017-13099"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-13099"},{"type":"REPORT","url":"https://github.com/wolfSSL/wolfssl/pull/1229"},{"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-2017-13099"}],"affected":[{"package":{"name":"wolfssl","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/wolfssl@3.4.8+dfsg-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.8+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcyassl5","binary_version":"3.4.8+dfsg-1"},{"binary_name":"libwolfssl0","binary_version":"3.4.8+dfsg-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-13099.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"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":"medium"}]}