CVE-2018-10193 : Security Advisory and Response
Discover how CVE-2018-10193 affects LogMeIn LastPass version 4.15.0, allowing remote attackers to induce a denial of service by causing a browser hang with multiple INPUT elements in an HTML document.
LogMeIn LastPass version 4.15.0 has a vulnerability that allows remote attackers to cause a denial of service by triggering a browser hang. The issue arises when loading an HTML document with multiple INPUT elements, leading to increased resource consumption of onloadwff.js.
Understanding CVE-2018-10193
This CVE entry describes a vulnerability in LogMeIn LastPass version 4.15.0 that can be exploited by remote attackers to disrupt the normal operation of a browser.
What is CVE-2018-10193?
The vulnerability in LogMeIn LastPass version 4.15.0 enables attackers to induce a browser hang, resulting in a denial of service condition. This occurs when loading an HTML document containing numerous INPUT elements, causing a spike in resource usage by onloadwff.js.
The Impact of CVE-2018-10193
The exploitation of this vulnerability can lead to a significant impact on the availability of the affected system, potentially disrupting user access and functionality.
Technical Details of CVE-2018-10193
LogMeIn LastPass version 4.15.0 vulnerability details and affected systems.
Vulnerability Description
The vulnerability allows remote attackers to trigger a browser hang by loading an HTML document with multiple INPUT elements, leading to a denial of service due to increased resource consumption of onloadwff.js.
Affected Systems and Versions
- Product: LogMeIn LastPass
- Version: 4.15.0
Exploitation Mechanism
- Attackers exploit the vulnerability by crafting an HTML document with numerous INPUT elements, causing onloadwff.js resource consumption to rise, ultimately leading to a browser hang.
Mitigation and Prevention
Steps to mitigate and prevent the CVE-2018-10193 vulnerability.
Immediate Steps to Take
- Update LogMeIn LastPass to a patched version that addresses the vulnerability.
- Avoid loading HTML documents from untrusted sources with excessive INPUT elements.
Long-Term Security Practices
- Regularly update software and applications to the latest versions to patch known vulnerabilities.
- Implement secure coding practices to prevent similar denial of service issues.
Patching and Updates
- Stay informed about security advisories and patches released by LogMeIn LastPass to address vulnerabilities like CVE-2018-10193.