Learn about CVE-2017-6842, a vulnerability in PoDoFo 0.9.5 that allows remote attackers to trigger a denial of service via a crafted file. Find mitigation steps and prevention measures here.
PoDoFo 0.9.5 is susceptible to a denial of service vulnerability due to a NULL pointer dereference in the ColorChanger::GetColorFromStack function in colorchanger.cpp.
Understanding CVE-2017-6842
This CVE entry highlights a vulnerability in PoDoFo 0.9.5 that can be exploited to cause a denial of service.
What is CVE-2017-6842?
The ColorChanger::GetColorFromStack function in colorchanger.cpp in PoDoFo 0.9.5 allows attackers to trigger a denial of service by exploiting a NULL pointer dereference with a specially crafted file.
The Impact of CVE-2017-6842
The vulnerability can be leveraged by remote attackers to disrupt the service of affected systems, potentially leading to system unavailability or crashes.
Technical Details of CVE-2017-6842
This section delves into the technical aspects of the CVE.
Vulnerability Description
A crafted file can trigger a NULL pointer dereference in the ColorChanger::GetColorFromStack function in PoDoFo 0.9.5, leading to a denial of service.
Affected Systems and Versions
Exploitation Mechanism
The vulnerability is exploited by manipulating a file to trigger the NULL pointer dereference in the ColorChanger::GetColorFromStack function.
Mitigation and Prevention
Protecting systems from CVE-2017-6842 requires immediate actions and long-term security practices.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates