CVE-2022-2053

When a POST request comes through AJP and the request exceeds the max-post-size limit (maxEntitySize), Undertow's AjpServerRequestConduit implementation closes a connection without sending any response to the client/proxy. This behavior results in that a front-end proxy marking the backend worker (application server) as an error state and not forward requests to the worker for a while. In mod_cluster, this continues until the next STATUS request (10 seconds intervals) from the application server updates the server state. So, in the worst case, it can result in "All workers are in error state" and mod_cluster responds "503 Service Unavailable" for a while (up to 10 seconds). In mod_proxy_balancer, it does not forward requests to the worker until the "retry" timeout passes. However, luckily, mod_proxy_balancer has "forcerecovery" setting (On by default; this parameter can force the immediate recovery of all workers without considering the retry parameter of the workers if all workers of a balancer are in error state.). So, unlike mod_cluster, mod_proxy_balancer does not result in responding "503 Service Unavailable". An attacker could use this behavior to send a malicious request and trigger server errors, resulting in DoS (denial of service). This flaw was fixed in Undertow 2.2.19.Final, Undertow 2.3.0.Alpha2.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:redhat:integration_camel_k:-:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:undertow:2.3.0:alpha1:*:*:*:*:*:*

History

21 Nov 2024, 07:00

Type Values Removed Values Added
References () https://bugzilla.redhat.com/show_bug.cgi?id=2095862&comment#0 - Issue Tracking, Vendor Advisory () https://bugzilla.redhat.com/show_bug.cgi?id=2095862&comment#0 - Issue Tracking, Vendor Advisory
References () https://issues.redhat.com/browse/UNDERTOW-2133 - Vendor Advisory () https://issues.redhat.com/browse/UNDERTOW-2133 - Vendor Advisory

11 Aug 2022, 14:06

Type Values Removed Values Added
CWE CWE-400
CPE cpe:2.3:a:redhat:undertow:2.3.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:integration_camel_k:-:*:*:*:*:*:*:*
References (MISC) https://issues.redhat.com/browse/UNDERTOW-2133 - (MISC) https://issues.redhat.com/browse/UNDERTOW-2133 - Vendor Advisory
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2095862&comment#0 - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2095862&comment#0 - Issue Tracking, Vendor Advisory
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 7.5

05 Aug 2022, 16:15

Type Values Removed Values Added
New CVE

Information

Published : 2022-08-05 16:15

Updated : 2024-11-21 07:00


NVD link : CVE-2022-2053

Mitre link : CVE-2022-2053

CVE.ORG link : CVE-2022-2053


JSON object : View

Products Affected

redhat

  • jboss_fuse
  • undertow
  • integration_camel_k
CWE
CWE-400

Uncontrolled Resource Consumption