High severity · published Jul 27, 2018
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
7.5
CVSS
3.6%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.6% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
JE
Jboss Enterprise Application Platform · Redhat
6.0.0; 7.0.0; 7.1.0 · source: NVD
UN
Undertow · Redhat
before 1.3.28 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-2670
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-2670
Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2017-1409.html
Third Party Advisory
http://www.securityfocus.com/bid/98965
Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:1410
Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:1411
Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:1412
Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:3454
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