XXE Exploit in Apache PDFBox XML Parsing
CVE-2024-8602 Published on October 14, 2024
XML Eternal Entity Attack in the Software Library taxstatement.jar
When the XML is read from the codes in the PDF and parsed using a DocumentBuilder, the default settings of the DocumentBuilder allow for an XXE (XML External Entity) attack. Further information on this can be found on the website of the Open Worldwide Application Security Project (OWASP). An attacker could theoretically leverage this by delivering a manipulated PDF file to the target, and depending on the environment, various actions can be executed. These actions include:
* Reading files from the operating system
* Crashing the thread handling the parsing or causing it to enter an infinite loop
* Executing HTTP requests
* Loading additional DTDs or XML files
* Under certain conditions, executing OS commands
Weakness Type
What is a XXE Vulnerability?
The software processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
CVE-2024-8602 has been classified to as a XXE vulnerability or weakness.
Products Associated with CVE-2024-8602
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Affected Versions
Schweizerische Steuerkonferenz Library taxstatement.jar:- Version 2.2.2 is affected.
- Version 2.2.4 is affected.
Exploit Probability
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.