CVE-2017-2670
undertow: IO thread DoS via unclean Websocket closing
Severity Score
7.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Se ha encontrado en Undertow en versiones anteriores a la 1.3.28 que con el cierre no seguro de TCP, el servidor Websocket entra en bucle infinito en cada hilo IO, provocando efectivamente una denegación de servicio (DoS).
It was found that with non-clean TCP close, Websocket server gets into infinite loop on every IO thread, effectively causing DoS.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2016-12-01 CVE Reserved
- 2017-06-07 CVE Published
- 2024-02-20 EPSS Updated
- 2024-08-05 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
CAPEC
References (13)
| URL | Tag | Source |
|---|---|---|
| http://www.securityfocus.com/bid/98965 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| http://rhn.redhat.com/errata/RHSA-2017-1409.html | 2019-10-09 | |
| https://access.redhat.com/errata/RHSA-2017:1410 | 2019-10-09 | |
| https://access.redhat.com/errata/RHSA-2017:1411 | 2019-10-09 | |
| https://access.redhat.com/errata/RHSA-2017:1412 | 2019-10-09 | |
| https://access.redhat.com/errata/RHSA-2017:3454 | 2019-10-09 | |
| https://access.redhat.com/errata/RHSA-2017:3455 | 2019-10-09 | |
| https://access.redhat.com/errata/RHSA-2017:3456 | 2019-10-09 | |
| https://access.redhat.com/errata/RHSA-2017:3458 | 2019-10-09 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2670 | 2019-10-09 | |
| https://www.debian.org/security/2017/dsa-3906 | 2019-10-09 | |
| https://access.redhat.com/security/cve/CVE-2017-2670 | 2018-03-13 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1438885 | 2018-03-13 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Redhat Search vendor "Redhat" | Jboss Enterprise Application Platform Search vendor "Redhat" for product "Jboss Enterprise Application Platform" | 6.0.0 Search vendor "Redhat" for product "Jboss Enterprise Application Platform" and version "6.0.0" | - |
Affected
| in | Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 6.0 Search vendor "Redhat" for product "Enterprise Linux" and version "6.0" | - |
Safe
|
| Redhat Search vendor "Redhat" | Jboss Enterprise Application Platform Search vendor "Redhat" for product "Jboss Enterprise Application Platform" | 6.0.0 Search vendor "Redhat" for product "Jboss Enterprise Application Platform" and version "6.0.0" | - |
Affected
| in | Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0" | - |
Safe
|
| Redhat Search vendor "Redhat" | Jboss Enterprise Application Platform Search vendor "Redhat" for product "Jboss Enterprise Application Platform" | 7.0.0 Search vendor "Redhat" for product "Jboss Enterprise Application Platform" and version "7.0.0" | - |
Affected
| in | Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 6.0 Search vendor "Redhat" for product "Enterprise Linux" and version "6.0" | - |
Safe
|
| Redhat Search vendor "Redhat" | Jboss Enterprise Application Platform Search vendor "Redhat" for product "Jboss Enterprise Application Platform" | 7.0.0 Search vendor "Redhat" for product "Jboss Enterprise Application Platform" and version "7.0.0" | - |
Affected
| in | Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0" | - |
Safe
|
| Redhat Search vendor "Redhat" | Jboss Enterprise Application Platform Search vendor "Redhat" for product "Jboss Enterprise Application Platform" | 7.1.0 Search vendor "Redhat" for product "Jboss Enterprise Application Platform" and version "7.1.0" | - |
Affected
| in | Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 6.0 Search vendor "Redhat" for product "Enterprise Linux" and version "6.0" | - |
Safe
|
| Redhat Search vendor "Redhat" | Jboss Enterprise Application Platform Search vendor "Redhat" for product "Jboss Enterprise Application Platform" | 7.1.0 Search vendor "Redhat" for product "Jboss Enterprise Application Platform" and version "7.1.0" | - |
Affected
| in | Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0" | - |
Safe
|
| Redhat Search vendor "Redhat" | Undertow Search vendor "Redhat" for product "Undertow" | < 1.3.28 Search vendor "Redhat" for product "Undertow" and version " < 1.3.28" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||