CVE-2019-14973 : Security Advisory and Response
Learn about CVE-2019-14973 affecting LibTIFF up to version 4.0.10, leading to potential application crashes due to mishandled Integer Overflow checks. Find mitigation steps and prevention measures here.
LibTIFF up to version 4.0.10 is affected by an Integer Overflow vulnerability in the functions _TIFFCheckMalloc and _TIFFCheckRealloc, leading to potential application crashes.
Understanding CVE-2019-14973
This CVE involves mishandling Integer Overflow checks in LibTIFF, which can result in application crashes.
What is CVE-2019-14973?
The vulnerability arises from incorrect Integer Overflow checks due to reliance on undefined compiler behavior in the C standards.
The Impact of CVE-2019-14973
The vulnerability can potentially cause applications using LibTIFF to crash, impacting system stability and reliability.
Technical Details of CVE-2019-14973
This section provides detailed technical insights into the CVE.
Vulnerability Description
The functions _TIFFCheckMalloc and _TIFFCheckRealloc in LibTIFF up to version 4.0.10 mishandle Integer Overflow checks due to reliance on undefined compiler behavior.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Versions affected: up to 4.0.10
Exploitation Mechanism
The vulnerability can be exploited by triggering the mishandled Integer Overflow checks, potentially leading to application crashes.
Mitigation and Prevention
Protecting systems from CVE-2019-14973 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update LibTIFF to a patched version if available
- Monitor vendor advisories for security updates
Long-Term Security Practices
- Regularly update software and libraries
- Implement secure coding practices to prevent similar vulnerabilities
Patching and Updates
- Apply patches provided by LibTIFF or relevant vendors to address the Integer Overflow vulnerability