Vulnerability in Apache Cxf
CVE-2017-3156
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 · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.063 (93.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.063 · newest: 0.063 · change: 0.000
Affected products
- Apache Cxf — versions 3.1.0, 3.1.1, 3.1.2
- Apache Software Foundation Cxf — versions 3.1.x prior to 3.1.10, prior to 3.0.13
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/96398 (VDB Entry, Third Party Advisory, vdb-entry)
- access.redhat.com/errata/RHSA-2017:1832 (vendor-advisory)
- cxf.apache.org/security-advisories.data/CVE-2017-3156.txt.asc (Vendor Advisory)
- lists.apache.org/thread.html/rc774278135816e7afc943dc9fc78eb0764f2c84a2b96470a0… (mailing-list)
- lists.apache.org/thread.html/r36e44ffc1a9b365327df62cdfaabe85b9a5637de102cea07d… (mailing-list)
- lists.apache.org/thread.html/rff42cfa5e7d75b7c1af0e37589140a8f1999e578a75738740… (mailing-list)
- lists.apache.org/thread.html/rd49aabd984ed540c8ff7916d4d79405f3fa311d2fdbcf9ed3… (mailing-list)
- lists.apache.org/thread.html/rec7160382badd3ef4ad017a22f64a266c7188b9ba71394f0d… (mailing-list)
- lists.apache.org/thread.html/rfb87e0bf3995e7d560afeed750fac9329ff5f1ad49da36512… (mailing-list)
Frequently asked questions
- What is CVE-2017-3156?
- CVE-2017-3156 is a high-severity vulnerability in Apache Cxf. CVSS score: 7.5/10. Published 2017-08-10.
- How severe is CVE-2017-3156?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-3156 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.