4.3

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2024-23449

CVE-2024-23449: Elasticsearch Uncaught Exception leading to crash

An uncaught exception in Elasticsearch >= 8.4.0 and < 8.11.1 occurs when an encrypted PDF is passed to an attachment processor through the REST API. The Elasticsearch ingest node that attempts to parse the PDF file will crash. This does not happen with password-protected PDF files or with unencrypted PDF files.

(GitHub Advisory)

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CVE-2024-23449

CVE-2024-23449:

4.3

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
org.elasticsearch:elasticsearch	maven	>= 8.4.0, < 8.11.1	8.11.1

Technical Details

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Root Cause Analysis

The vulnerability occurs in the attachment processor during PDF parsing. Since the issue is specific to encrypted (non-password-protected) PDF processing through the REST API, the root cause must be in the PDF parsing logic of the attachment processor. The AttachmentProcessor class in Elasticsearch's ingest-attachment module is responsible for document parsing using Apache Tika. The uncaught exception likely originates from Tika's decryption handling that isn't properly wrapped in try-catch blocks in the parse method. The high confidence comes from the vulnerability's specific context (attachment processing) and the CWE-248 classification indicating missing exception handling.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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