CVE-2018-11254 : Exploit Details and Defense Strategies
CVE-2018-11254 identifies a vulnerability in PoDoFo 0.9.5, allowing threat actors to exploit Excessive Recursion in PdfPagesTree::GetPageNode() function, potentially leading to a denial of service attack. Learn about the impact, affected systems, and mitigation steps.
A vulnerability in PoDoFo 0.9.5 has been identified in the PdfPagesTree::GetPageNode() function, making it prone to Excessive Recursion, potentially leading to a denial of service attack.
Understanding CVE-2018-11254
This CVE involves a vulnerability in the PoDoFo library version 0.9.5 that can be exploited by threat actors using a crafted PDF file.
What is CVE-2018-11254?
This CVE identifies an Excessive Recursion vulnerability in the PdfPagesTree::GetPageNode() function of PoDoFo 0.9.5, allowing attackers to trigger a denial of service attack.
The Impact of CVE-2018-11254
Exploitation of this vulnerability could result in a denial of service condition, affecting the availability of the system and potentially disrupting services.
Technical Details of CVE-2018-11254
Vulnerability Description
The vulnerability lies in the PdfPagesTree::GetPageNode() function of PoDoFo 0.9.5, enabling threat actors to exploit Excessive Recursion.
Affected Systems and Versions
- Product: PoDoFo 0.9.5
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
Threat actors can exploit this vulnerability by using a carefully crafted PDF file to trigger Excessive Recursion, leading to a denial of service attack.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor patches or updates promptly to mitigate the vulnerability.
- Exercise caution when handling PDF files from untrusted sources.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Implement network security measures to detect and prevent malicious PDF files.
Patching and Updates
- Check for security advisories from PoDoFo and apply patches as soon as they are available.