CVE-2019-9199 : Exploit Details and Defense Strategies

CVE-2019-9199 is a vulnerability found in the PoDoFo library version 0.9.6 that can lead to a NULL pointer dereference, potentially resulting in a Denial of Service (DoS) attack or other unspecified consequences.

Understanding CVE-2019-9199

The function setSource() in pdftranslator.cpp within the PoDoFo library version 0.9.6 contains a vulnerability that allows an attacker to exploit it by sending a specially crafted PDF file to the podofoimpose binary.

What is CVE-2019-9199?

The CVE-2019-9199 vulnerability in the PoDoFo library version 0.9.6 leads to a NULL pointer dereference, which can be triggered by a maliciously crafted PDF file, potentially resulting in a Denial of Service (DoS) attack or other consequences.

The Impact of CVE-2019-9199

Exploitation of this vulnerability could lead to a Denial of Service (Segmentation fault) or potentially have other unspecified consequences.

Technical Details of CVE-2019-9199

The technical details of CVE-2019-9199 include:

Vulnerability Description

The vulnerability in the setSource() function in pdftranslator.cpp within the PoDoFo library version 0.9.6 results in a NULL pointer dereference.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions Affected: n/a

Exploitation Mechanism

The vulnerability can be exploited by sending a specially crafted PDF file to the podofoimpose binary.

Mitigation and Prevention

To mitigate the CVE-2019-9199 vulnerability, consider the following steps:

Immediate Steps to Take

Update to a patched version of the PoDoFo library.
Avoid opening PDF files from untrusted sources.

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 the PoDoFo library is regularly updated to the latest patched version to prevent exploitation of this vulnerability.