Vulnerability in [Unknown] Undertow
CVE-2017-2670
It was found in Undertow before 1.3.28 that with non-clean TCP close, the Websocket server gets into infinite loop on every IO thread, effectively causing DoS.
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:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.037 (89.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000
Affected products
- [Unknown] Undertow — versions 1.3.28.Final-redhat-4
- Debian Linux — versions 9.0
- Red Hat Enterprise Linux — versions 6.0, 7.0
- Red Hat Jboss Enterprise Application Platform — versions 6.0.0, 7.0.0, 7.1.0
- Red Hat Undertow
Weakness classification (CWE)
References
- access.redhat.com/errata/RHSA-2017:1411 (vendor-advisory, Vendor Advisory)
- rhn.redhat.com/errata/RHSA-2017-1409.html (vendor-advisory, Vendor Advisory)
- www.debian.org/security/2017/dsa-3906 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2017:3458 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2017:1410 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2017:1412 (vendor-advisory, Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
- access.redhat.com/errata/RHSA-2017:3455 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2017:3456 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2017:3454 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-2670?
- CVE-2017-2670 is a high-severity vulnerability in [Unknown] Undertow, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2018-07-27.
- How severe is CVE-2017-2670?
- High severity. CVSS v3 base score is 7.5 out of 10.