CVE-2019-12360 : What You Need to Know
Learn about CVE-2019-12360 affecting Xpdf 4.01.01. Discover the impact, technical details, affected systems, exploitation method, and mitigation steps to prevent Denial of Service and memory data disclosure.
Xpdf 4.01.01 is vulnerable to a stack-based buffer over-read in the FoFiTrueType::dumpString function, potentially leading to Denial of Service or memory data disclosure when manipulated TrueType data is sent in a PDF document.
Understanding CVE-2019-12360
This CVE identifies a specific vulnerability in Xpdf 4.01.01 that can be exploited through crafted TrueType data in a PDF document.
What is CVE-2019-12360?
- The vulnerability exists in the FoFiTrueType::dumpString function in Xpdf 4.01.01
- Triggered by sending manipulated TrueType data to the pdftops tool
- Can result in Denial of Service or unauthorized memory data disclosure
The Impact of CVE-2019-12360
- Potential for Denial of Service attacks
- Risk of unauthorized memory data exposure within dumped content
Technical Details of CVE-2019-12360
Xpdf 4.01.01 is susceptible to a stack-based buffer over-read in the FoFiTrueType::dumpString function.
Vulnerability Description
- Located in the fofi/FoFiTrueType.cc file
- Triggered by manipulated TrueType data in a PDF document
Affected Systems and Versions
- Product: Xpdf 4.01.01
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
- Attacker sends manipulated TrueType data in a PDF to the pdftops tool
Mitigation and Prevention
Immediate Steps to Take:
- Update Xpdf to a non-vulnerable version
- Avoid opening PDFs from untrusted sources
Long-Term Security Practices:
- Regularly update software and patches
- Implement network and system monitoring
- Conduct security awareness training
- Employ defense-in-depth strategies
- Utilize intrusion detection and prevention systems
- Follow secure coding practices
- Perform regular security assessments
- Patching and Updates:
- Apply security patches promptly