Undertow up to 1.3.27 WebSocket Server resource management
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.7 | $0-$5k | 0.00 |
A vulnerability classified as problematic has been found in Undertow up to 1.3.27. Affected is some unknown functionality of the component WebSocket Server. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. CVE summarizes:
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.
The bug was discovered 07/26/2018. The weakness was disclosed 07/27/2018 by ryan as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2017-2670 since 11/30/2016. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 105252 (RHEL 6 / 7 : eap7-jboss-ec2-eap (RHSA-2017:3458)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176085 (Debian Security Update for undertow (DSA 3906-1)).
Upgrading to version 1.3.28 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (105252). The entries 92173, 92175, 92322 and 95800 are pretty similar.
Product
Name
Version
- 1.3.0
- 1.3.1
- 1.3.2
- 1.3.3
- 1.3.4
- 1.3.5
- 1.3.6
- 1.3.7
- 1.3.8
- 1.3.9
- 1.3.10
- 1.3.11
- 1.3.12
- 1.3.13
- 1.3.14
- 1.3.15
- 1.3.16
- 1.3.17
- 1.3.18
- 1.3.19
- 1.3.20
- 1.3.21
- 1.3.22
- 1.3.23
- 1.3.24
- 1.3.25
- 1.3.26
- 1.3.27
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.8VulDB Meta Temp Score: 6.7
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CNA Base Score: 7.5
CNA Vector (Red Hat, Inc.): 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 105252
Nessus Name: RHEL 6 / 7 : eap7-jboss-ec2-eap (RHSA-2017:3458)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 703906
OpenVAS Name: Debian Security Advisory DSA 3906-1 (undertow - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Undertow 1.3.28
Timeline
11/30/2016 🔍06/07/2017 🔍
12/12/2017 🔍
12/14/2017 🔍
07/26/2018 🔍
07/27/2018 🔍
07/27/2018 🔍
07/28/2018 🔍
04/27/2023 🔍
Sources
Advisory: RHSA-2017:3458Researcher: ryan
Status: Not defined
Confirmation: 🔍
CVE: CVE-2017-2670 (🔍)
OVAL: 🔍
SecurityFocus: 98965 - Red Hat Undertow CVE-2017-2670 Remote Denial of Service Vulnerability
See also: 🔍
Entry
Created: 07/28/2018 07:43Updated: 04/27/2023 14:19
Changes: 07/28/2018 07:43 (75), 03/11/2020 07:50 (5), 04/27/2023 14:16 (4), 04/27/2023 14:17 (13), 04/27/2023 14:19 (1)
Complete: 🔍
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