7.5high

CVE-2017-2670

Moderate severity vulnerability that affects io.undertow:undertow-core

Also known as GHSA-3x7h-5hfr-hvjm

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
3.6%
percentile 90%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

3.62% probability of exploitation in the next 30 days, higher than 90% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P
GitHub3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

EcosystemPackageAffectedFixed in
mavenio.undertow:undertow-core
<1.3.28
1.3.28

Affected products

  • [UNKNOWN] undertow

Classification

Weakness
  • CWE-835 Loop with Unreachable Exit Condition

References

  • access.redhat.com /errata/RHSA-2017:1411 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • rhn.redhat.com /errata/RHSA-2017-1409.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • debian.org /security/2017/dsa-3906 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • access.redhat.com /errata/RHSA-2017:3458 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2017:1410 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2017:1412 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=CVE-2017-2670 · x_refsource_CONFIRM, x_transferred
  • access.redhat.com /errata/RHSA-2017:3455 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2017:3456 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2017:3454 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • securityfocus.com /bid/98965 · vdb-entry, x_refsource_BID, x_transferred
  • nvd.nist.gov /vuln/detail/CVE-2017-2670 · advisory
  • github.com /advisories/GHSA-3x7h-5hfr-hvjm · advisory

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.