{"id":"CVE-2017-3156","aliases":["GHSA-qc2p-q7x9-v64p"],"url":"https://o3.security/vulnerability/CVE-2017-3156","summary":"Covert Timing Channel in Apache CXF","details":"The OAuth2 Hawk and JOSE MAC Validation code in Apache CXF prior to 3.0.13 and 3.1.x prior to 3.1.10 is not using a constant time MAC signature comparison algorithm which may be exploited by sophisticated timing attacks.","published":"2017-08-10T18:29:00.300Z","modified":"2026-07-08T12:05:42.110892Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.cxf.karaf:apache-cxf","fixedVersion":"3.0.13"},{"ecosystem":"Maven","name":"org.apache.cxf.karaf:apache-cxf","fixedVersion":"3.1.10"}],"fix":null,"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/r36e44ffc1a9b365327df62cdfaabe85b9a5637de102cea07d79b2dbf%40%3Ccommits.cxf.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rc774278135816e7afc943dc9fc78eb0764f2c84a2b96470a0187315c%40%3Ccommits.cxf.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rd49aabd984ed540c8ff7916d4d79405f3fa311d2fdbcf9ed307839a6%40%3Ccommits.cxf.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rec7160382badd3ef4ad017a22f64a266c7188b9ba71394f0d321e2d4%40%3Ccommits.cxf.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rfb87e0bf3995e7d560afeed750fac9329ff5f1ad49da365129b7f89e%40%3Ccommits.cxf.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rff42cfa5e7d75b7c1af0e37589140a8f1999e578a75738740b244bd4%40%3Ccommits.cxf.apache.org%3E"},{"type":"ADVISORY","url":"http://cxf.apache.org/security-advisories.data/CVE-2017-3156.txt.asc"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/96398"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:1832"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T12:05:42.110892Z"}}