REXML XML charset parsing DoS before 3.3.2
CVE-2024-41123 Published on August 1, 2024

REXML DoS vulnerability
REXML is an XML toolkit for Ruby. The REXML gem before 3.3.2 has some DoS vulnerabilities when it parses an XML that has many specific characters such as whitespace character, `>]` and `]>`. The REXML gem 3.3.3 or later include the patches to fix these vulnerabilities.

Github Repository NVD

Vulnerability Analysis

CVE-2024-41123 can be exploited 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 small 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:
LOW

Weakness Type

What is a Resource Exhaustion Vulnerability?

The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

CVE-2024-41123 has been classified to as a Resource Exhaustion vulnerability or weakness.


Products Associated with CVE-2024-41123

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Affected Versions

ruby rexml: ruby-lang rexml:

Vulnerable Packages

The following package name and versions may be associated with CVE-2024-41123

Package Manager Vulnerable Package Versions Fixed In
rubygems rexml < 3.3.3 3.3.3

Exploit Probability

EPSS
0.23%
Percentile
45.77%

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.