HIGH · 7.5

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.

Vulnerability 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 Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
RedhatUndertow< 1.3.28
DebianDebian Linux9.0
RedhatJboss Enterprise Application Platform6.0.0
RedhatEnterprise Linux6.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2017-2670?

CVE-2017-2670 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

How severe is CVE-2017-2670?

CVE-2017-2670 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-2670?

Check the references section above for vendor advisories and patch information. Affected products include: Redhat Undertow, Debian Debian Linux, Redhat Jboss Enterprise Application Platform, Redhat Enterprise Linux.