CVE-2018-17581 Explained : Impact and Mitigation
Learn about CVE-2018-17581, a Denial of Service vulnerability in Exiv2 0.26 due to excessive stack consumption from a recursive function. Find mitigation steps and affected versions here.
A Denial of Service vulnerability in Exiv2 0.26 can lead to excessive stack consumption due to a recursive function.
Understanding CVE-2018-17581
What is CVE-2018-17581?
The vulnerability occurs in the CiffDirectory::readDirectory() function in the crwimage_int.cpp file of Exiv2 0.26, resulting in excessive stack consumption.
The Impact of CVE-2018-17581
This vulnerability can be exploited to cause a Denial of Service (DoS) attack by consuming excessive stack resources.
Technical Details of CVE-2018-17581
Vulnerability Description
The issue arises from a recursive function in the CiffDirectory::readDirectory() function in the crwimage_int.cpp file of Exiv2 0.26.
Affected Systems and Versions
- Vendor: n/a
- Product: n/a
- Versions Affected: Exiv2 0.26
Exploitation Mechanism
The vulnerability is exploited by triggering the recursive function, leading to excessive stack consumption and potential DoS attacks.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by the vendor
- Monitor for any unusual stack consumption
Long-Term Security Practices
- Regularly update software and libraries
- Implement stack size limitations in recursive functions
Patching and Updates
Ensure to apply the latest security updates and patches released by Exiv2 to mitigate the CVE-2018-17581 vulnerability.