CVE-2017-2670

CWE-8358 documents7 sources
Severity
7.5HIGH
EPSS
6.0%
top 9.34%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Redhat Undertow[unknown] UndertowDebian Debian Linux+1 more
Timeline
PublishedJul 27
Latest updateOct 19

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:HExploitability: 3.9 | Impact: 3.6

Affected Packages5 packages

▶NVDredhat/undertow< 1.3.28
▶Debianundertow< 1.4.18-1
▶CVEListV5[unknown]/undertow1.3.28.Final-redhat-4

Also affects: Debian Linux 9.0

🔴Vulnerability Details

4
GHSA
Moderate severity vulnerability that affects io.undertow:undertow-core↗2018-10-19
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OSV
Moderate severity vulnerability that affects io.undertow:undertow-core↗2018-10-19
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OSV
CVE-2017-2670: It was found in Undertow before 1↗2018-07-27
▶
CVEList
CVE-2017-2670: It was found in Undertow before 1↗2018-07-27
▶

📋Vendor Advisories

2
Red Hat
undertow: IO thread DoS via unclean Websocket closing↗2017-06-07
▶
Debian
CVE-2017-2670: undertow - It was found in Undertow before 1.3.28 that with non-clean TCP close, the Websoc...↗2017
▶

💬Community

1
Bugzilla
CVE-2017-2670 undertow: IO thread DoS via unclean Websocket closing↗2017-04-04
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CVE-2017-2670 (HIGH CVSS 7.5) | It was found in Undertow before 1.3 | cvebase.io