CVE-2019-13291 Explained : Impact and Mitigation
Learn about CVE-2019-13291, a heap-based buffer over-read vulnerability in Xpdf 4.01.01, allowing attackers to disclose sensitive information. Find mitigation steps and preventive measures here.
Xpdf 4.01.01 has a heap-based buffer over-read vulnerability in the DCTStream::readScan() function in Stream.cc. An attacker can exploit this by sending a malicious PDF to the pdftops tool, potentially leading to sensitive information disclosure.
Understanding CVE-2019-13291
Xpdf 4.01.01 vulnerability impacting the DCTStream::readScan() function.
What is CVE-2019-13291?
This CVE describes a heap-based buffer over-read vulnerability in Xpdf 4.01.01, triggered by a crafted PDF document.
The Impact of CVE-2019-13291
Exploiting this vulnerability could result in the exposure of sensitive information to malicious actors.
Technical Details of CVE-2019-13291
Xpdf 4.01.01 vulnerability details.
Vulnerability Description
The vulnerability exists in the DCTStream::readScan() function in Stream.cc, allowing for a heap-based buffer over-read.
Affected Systems and Versions
- Product: Xpdf 4.01.01
- Vendor: N/A
- Versions: N/A
Exploitation Mechanism
An attacker can exploit this vulnerability by sending a carefully crafted PDF document to the pdftops tool.
Mitigation and Prevention
Protective measures against CVE-2019-13291.
Immediate Steps to Take
- Apply vendor patches or updates promptly.
- Avoid opening PDFs from untrusted or unknown sources.
- Monitor security advisories for any new information.
Long-Term Security Practices
- Regularly update software and applications to the latest versions.
- Implement network and system security best practices.
- Conduct regular security assessments and audits.
Patching and Updates
Ensure timely installation of patches and updates provided by Xpdf to address the vulnerability.