VulnerabilityModified
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.
HIGH 7.5EPSS 3.66%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.66%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.66% probability · 89th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-835
- Affected
- redhat/undertow · debian/debian linux · redhat/jboss enterprise application platform
- Source
- secalert@redhat.com
References
- http://rhn.redhat.com/errata/RHSA-2017-1409.htmlVendor Advisory
- http://www.securityfocus.com/bid/98965Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1410Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:1411Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:1412Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3454Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3455Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3456Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3458Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2670Issue Tracking, Vendor Advisory
- https://www.debian.org/security/2017/dsa-3906Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-1409.htmlVendor Advisory
- http://www.securityfocus.com/bid/98965Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1410Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:1411Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:1412Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3454Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3455Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3456Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3458Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2670Issue Tracking, Vendor Advisory
- https://www.debian.org/security/2017/dsa-3906Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.