CVE-2018-11256 Explained : Impact and Mitigation
CVE-2018-11256: Remote attackers can exploit PoDoFo 0.9.5 via PdfDocument::Append() to cause a denial of service attack. Learn about the impact, affected systems, and mitigation steps.
A vulnerability has been found in version 0.9.5 of PoDoFo, allowing remote attackers to trigger a denial of service attack by exploiting the PdfDocument::Append() function in PdfDocument.cpp.
Understanding CVE-2018-11256
This CVE identifies a vulnerability in PoDoFo 0.9.5 that can lead to a denial of service attack.
What is CVE-2018-11256?
PoDoFo 0.9.5 is susceptible to a null pointer dereference and application crash when a manipulated PDF document is sent to exploit the PdfDocument::Append() function.
The Impact of CVE-2018-11256
The vulnerability can be exploited by remote attackers to crash the application, potentially causing service disruption.
Technical Details of CVE-2018-11256
PoDoFo 0.9.5 vulnerability details.
Vulnerability Description
- PoDoFo 0.9.5 allows remote attackers to trigger a denial of service via a crafted PDF document.
Affected Systems and Versions
- Product: PoDoFo
- Version: 0.9.5
Exploitation Mechanism
- Attackers exploit the PdfDocument::Append() function in PdfDocument.cpp to cause a null pointer dereference.
Mitigation and Prevention
Steps to address CVE-2018-11256.
Immediate Steps to Take
- Update PoDoFo to a patched version.
- Avoid opening PDFs from untrusted sources.
Long-Term Security Practices
- Regularly update software and apply security patches.
- Implement network security measures to prevent unauthorized access.
Patching and Updates
- Check for official patches and updates from PoDoFo to address the vulnerability.