Undertow SSL Handshake Loop DoS via SslConduit
CVE-2023-1108 Published on September 14, 2023

Undertow: infinite loop in sslconduit during close
A flaw was found in undertow. This issue makes achieving a denial of service possible due to an unexpected handshake status updated in SslConduit, where the loop never terminates.

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Vulnerability Analysis

CVE-2023-1108 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH

Timeline

Reported to Red Hat.

Made public. 28 days later.

Weakness Type

What is an Infinite Loop Vulnerability?

The program contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. If the loop can be influenced by an attacker, this weakness could allow attackers to consume excessive resources such as CPU or memory.

CVE-2023-1108 has been classified to as an Infinite Loop vulnerability or weakness.


Products Associated with CVE-2023-1108

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2023-1108 are published in these products:

Red Hat Decision Manager
 
Red Hat Single Sign On
 
Red Hat Process Automation
 
Red Hat Openstack Platform
 
Red Hat Jboss Enterprise Application Platform
 
Red Hat Openshift Application Runtimes
 
Red Hat Build Of Quarkus
 
Red Hat Integration Service Registry
 
Red Hat Integration Camel K
 
Red Hat Jboss Enterprise Application Platform Expansion Pack
 
Red Hat Fuse
 
Red Hat Undertow
 
NetApp Oncommand Workflow Automation
 

Exploit Probability

EPSS
0.55%
Percentile
67.38%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.