CVE-2019-10094 : Exploit Details and Defense Strategies
Learn about CVE-2019-10094 affecting Apache Tika versions 1.7-1.21. Upgrade to version 1.22 to prevent a DoS attack caused by a quine file triggering a StackOverflowError.
Apache Tika versions 1.7 to 1.21 are vulnerable to a StackOverflowError due to a specific compressed file. Upgrading to version 1.22 or newer is recommended.
Understanding CVE-2019-10094
Apache Tika users are at risk of a DoS attack caused by a quine file that triggers a StackOverflowError in versions 1.7-1.21.
What is CVE-2019-10094?
A carefully crafted compressed file, functioning as a quine, leads to a StackOverflowError in Apache Tika's RecursiveParserWrapper for versions 1.7-1.21.
The Impact of CVE-2019-10094
- Users of Apache Tika versions 1.7-1.21 are susceptible to a DoS attack.
Technical Details of CVE-2019-10094
Vulnerability Description
The vulnerability arises from unzipping a file that retains its original form, causing a StackOverflowError in Apache Tika.
Affected Systems and Versions
- Product: Apache Tika
- Vendor: Apache
- Versions Affected: 1.7 to 1.21
Exploitation Mechanism
The issue is triggered by unzipping a carefully crafted compressed file that acts as a quine, leading to a DoS attack.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade Apache Tika to version 1.22 or newer to mitigate the vulnerability.
Long-Term Security Practices
- Regularly update software to the latest versions to address known security issues.
Patching and Updates
- Stay informed about security alerts and apply patches promptly to protect against potential threats.