7.5
HIGH
CVE-2017-2670
Undertow Websocket Denial of Service
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.

INFO

Published Date :

July 27, 2018, 3:29 p.m.

Last Modified :

Nov. 21, 2024, 3:23 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2017-2670 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux
2 Redhat jboss_enterprise_application_platform
3 Redhat undertow
1 Debian debian_linux
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2017-2670.

URL Resource
http://rhn.redhat.com/errata/RHSA-2017-1409.html Vendor Advisory
http://www.securityfocus.com/bid/98965 Third Party Advisory VDB Entry
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 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:3455 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:3456 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:3458 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2670 Issue Tracking Vendor Advisory
https://www.debian.org/security/2017/dsa-3906 Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-1409.html Vendor Advisory
http://www.securityfocus.com/bid/98965 Third Party Advisory VDB Entry
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 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:3455 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:3456 Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:3458 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2670 Issue Tracking Vendor Advisory
https://www.debian.org/security/2017/dsa-3906 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2017-2670 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-2670 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://rhn.redhat.com/errata/RHSA-2017-1409.html
    Added Reference http://www.securityfocus.com/bid/98965
    Added Reference https://access.redhat.com/errata/RHSA-2017:1410
    Added Reference https://access.redhat.com/errata/RHSA-2017:1411
    Added Reference https://access.redhat.com/errata/RHSA-2017:1412
    Added Reference https://access.redhat.com/errata/RHSA-2017:3454
    Added Reference https://access.redhat.com/errata/RHSA-2017:3455
    Added Reference https://access.redhat.com/errata/RHSA-2017:3456
    Added Reference https://access.redhat.com/errata/RHSA-2017:3458
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2670
    Added Reference https://www.debian.org/security/2017/dsa-3906
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CVSS V3 Red Hat, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE Red Hat, Inc. CWE-835
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-399 CWE-399 CWE-835
  • Initial Analysis by [email protected]

    Sep. 24, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type http://www.securityfocus.com/bid/98965 No Types Assigned http://www.securityfocus.com/bid/98965 Third Party Advisory, VDB Entry
    Changed Reference Type https://access.redhat.com/errata/RHSA-2017:1412 No Types Assigned https://access.redhat.com/errata/RHSA-2017:1412 Vendor Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2017:3458 No Types Assigned https://access.redhat.com/errata/RHSA-2017:3458 Vendor Advisory
    Changed Reference Type https://www.debian.org/security/2017/dsa-3906 No Types Assigned https://www.debian.org/security/2017/dsa-3906 Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2670 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2670 Issue Tracking, Vendor Advisory
    Changed Reference Type http://rhn.redhat.com/errata/RHSA-2017-1409.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2017-1409.html Vendor Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2017:3456 No Types Assigned https://access.redhat.com/errata/RHSA-2017:3456 Vendor Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2017:1411 No Types Assigned https://access.redhat.com/errata/RHSA-2017:1411 Vendor Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2017:3454 No Types Assigned https://access.redhat.com/errata/RHSA-2017:3454 Vendor Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2017:1410 No Types Assigned https://access.redhat.com/errata/RHSA-2017:1410 Vendor Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2017:3455 No Types Assigned https://access.redhat.com/errata/RHSA-2017:3455 Vendor Advisory
    Added CWE CWE-399
    Added CPE Configuration OR *cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.28
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:redhat:jboss_enterprise_application_platform:6.0.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.0.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.1.0:*:*:*:*:*:*:* OR cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 29, 2018

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2017/dsa-3906 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2017:3458 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2017:3456 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2017:3455 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2017:3454 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2017:1412 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2017:1411 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2017:1410 [No Types Assigned]
    Added Reference http://www.securityfocus.com/bid/98965 [No Types Assigned]
    Added Reference http://rhn.redhat.com/errata/RHSA-2017-1409.html [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-2670 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2017-2670 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

2.24 }} -0.17%

score

0.89207

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability