CVE-2017-2670
HIGH severity · CVSS 7.5 · CWE-835
7.5CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)4%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://rhn.redhat.com/errata/RHSA-2017-1409.htmlAdvisory
- https://access.redhat.com/errata/RHSA-2017:1410Advisory
- https://access.redhat.com/errata/RHSA-2017:1411Advisory
- https://access.redhat.com/errata/RHSA-2017:1412Advisory
- https://access.redhat.com/errata/RHSA-2017:3454Advisory
- https://access.redhat.com/errata/RHSA-2017:3455Advisory
- https://access.redhat.com/errata/RHSA-2017:3456Advisory
- http://www.securityfocus.com/bid/98965Advisory