UBUNTU-CVE-2017-2670

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2017-2670
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-2670.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2017-2670
Upstream
Published
2018-07-27T15:29:00Z
Modified
2025-09-08T16:44:03Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:Pro:16.04:LTS / undertow

Package

Name
undertow
Purl
pkg:deb/ubuntu/undertow@1.3.16-1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.3.4-1
1.3.5-1
1.3.7-1
1.3.11-1
1.3.16-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libundertow-java",
            "binary_version": "1.3.16-1"
        }
    ]
}

Ubuntu:24.04:LTS / undertow

Package

Name
undertow
Purl
pkg:deb/ubuntu/undertow@2.3.8-2?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.3.8-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libundertow-java",
            "binary_version": "2.3.8-2"
        }
    ]
}