CVE-2017-5852 : Vulnerability Insights and Analysis
CVE-2017-5852: Learn about the PoDoFo 0.9.4 infinite loop denial of service vulnerability, its impact, affected systems, exploitation method, and mitigation steps to secure your systems.
An infinite loop denial of service vulnerability in PoDoFo 0.9.4 can be exploited by a maliciously crafted file.
Understanding CVE-2017-5852
What is CVE-2017-5852?
The vulnerability lies in the PoDoFo::PdfPage::GetInheritedKeyFromObject function in base/PdfVariant.cpp in PoDoFo 0.9.4, allowing attackers to trigger a denial of service through an infinite loop.
The Impact of CVE-2017-5852
This vulnerability can be exploited by remote attackers to cause a denial of service on systems running the affected version of PoDoFo.
Technical Details of CVE-2017-5852
Vulnerability Description
The PoDoFo::PdfPage::GetInheritedKeyFromObject function in PoDoFo 0.9.4 can be abused by remote attackers to create an infinite loop, resulting in a denial of service.
Affected Systems and Versions
- Product: PoDoFo
- Vendor: N/A
- Version: 0.9.4
Exploitation Mechanism
The vulnerability can be triggered by a specially crafted file utilizing the PoDoFo::PdfPage::GetInheritedKeyFromObject function.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor patches or updates to mitigate the vulnerability.
- Avoid opening untrusted PDF files.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions.
- Implement network security measures to detect and block malicious PDF files.
Patching and Updates
Ensure that PoDoFo is updated to a version that addresses the infinite loop denial of service vulnerability.