CVE-2019-12958 : Security Advisory and Response
Learn about CVE-2019-12958, a vulnerability in Xpdf 4.01.01 that can lead to a heap-based buffer over-read. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
Xpdf 4.01.01 contains a vulnerability that can lead to a heap-based buffer over-read in the FoFiType1C::convertToType0 function.
Understanding CVE-2019-12958
Xpdf 4.01.01 is susceptible to a heap-based buffer over-read in the FoFiType1C::convertToType0 function.
What is CVE-2019-12958?
This CVE refers to a vulnerability in Xpdf 4.01.01 that triggers a heap-based buffer over-read in the FoFiType1C::convertToType0 function.
The Impact of CVE-2019-12958
The vulnerability can cause a heap-based buffer over-read when attempting to access the second element in the privateDicts array, despite only one element being allocated.
Technical Details of CVE-2019-12958
Xpdf 4.01.01 is affected by a heap-based buffer over-read vulnerability in the FoFiType1C::convertToType0 function.
Vulnerability Description
The vulnerability arises when the code tries to access the second element in the privateDicts array, even though only one element has been allocated.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Version: n/a
Exploitation Mechanism
The vulnerability is exploited by triggering a heap-based buffer over-read in the FoFiType1C::convertToType0 function.
Mitigation and Prevention
Steps to address and prevent the CVE-2019-12958 vulnerability.
Immediate Steps to Take
- Apply vendor patches or updates if available.
- Monitor vendor advisories for a fix.
Long-Term Security Practices
- Regularly update software and systems.
- Implement security best practices to mitigate similar vulnerabilities.
Patching and Updates
- Check for patches or updates from the vendor to address the vulnerability.