CVE-2019-10723 : Security Advisory and Response
Learn about CVE-2019-10723, a vulnerability in PoDoFo 0.9.6 that allows excessive memory allocation. Find out the impact, affected systems, exploitation, and mitigation steps.
A vulnerability has been identified in PoDoFo 0.9.6 where the PdfPagesTreeCache class is susceptible to excessive memory allocation due to lack of validation for the variable nInitialSize.
Understanding CVE-2019-10723
This CVE-2019-10723 affects PoDoFo 0.9.6 and poses a risk of memory allocation vulnerability.
What is CVE-2019-10723?
CVE-2019-10723 is a vulnerability in PoDoFo 0.9.6 that allows for excessive memory allocation due to a lack of validation for the variable nInitialSize in the PdfPagesTreeCache class.
The Impact of CVE-2019-10723
The vulnerability could be exploited by an attacker to cause a denial of service (DoS) by consuming excessive memory resources.
Technical Details of CVE-2019-10723
This section provides technical details about the vulnerability.
Vulnerability Description
The PdfPagesTreeCache class in doc/PdfPagesTreeCache.cpp attempts excessive memory allocation because nInitialSize is not validated.
Affected Systems and Versions
- Product: PoDoFo 0.9.6
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
The vulnerability can be exploited by malicious actors to trigger a DoS attack by causing excessive memory consumption.
Mitigation and Prevention
Protect your systems from CVE-2019-10723 with the following steps:
Immediate Steps to Take
- Apply vendor patches or updates if available.
- Monitor system resources for unusual memory consumption.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions.
- Implement secure coding practices to validate input and prevent memory vulnerabilities.
Patching and Updates
- Check for patches or updates from PoDoFo to address the vulnerability.