CVE-2018-11499 : Exploit Details and Defense Strategies
Learn about CVE-2018-11499, a use-after-free vulnerability in LibSass versions 3.4.x and 3.5.x through 3.5.4 that could lead to a denial of service attack. Find out how to mitigate and prevent this security issue.
LibSass versions 3.4.x and 3.5.x through 3.5.4 have a use-after-free vulnerability that could lead to a denial of service attack.
Understanding CVE-2018-11499
This CVE involves a vulnerability in LibSass versions 3.4.x and 3.5.x through 3.5.4 that could be exploited to trigger a denial of service attack.
What is CVE-2018-11499?
The vulnerability exists in the function handle_error() in sass_context.cpp in LibSass versions 3.4.x and 3.5.x through 3.5.4. Exploiting this flaw could result in a denial of service attack, causing the application to crash or potentially leading to other unspecified consequences.
The Impact of CVE-2018-11499
The vulnerability could allow attackers to crash the application or potentially cause other adverse effects, impacting the availability and stability of the affected systems.
Technical Details of CVE-2018-11499
This section provides more technical insights into the CVE.
Vulnerability Description
The use-after-free vulnerability in handle_error() in sass_context.cpp in LibSass versions 3.4.x and 3.5.x through 3.5.4 could be leveraged to cause a denial of service, such as application crashes, or potentially lead to other unspecified impacts.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: 3.4.x and 3.5.x through 3.5.4 are affected
Exploitation Mechanism
The vulnerability can be exploited by triggering the use-after-free condition in the handle_error() function, leading to a denial of service attack.
Mitigation and Prevention
Protecting systems from CVE-2018-11499 is crucial to maintaining security.
Immediate Steps to Take
- Apply patches provided by the vendor promptly
- Monitor vendor advisories for updates
- Consider alternative solutions if patches are not available
Long-Term Security Practices
- Regularly update software and libraries
- Conduct security assessments and audits
- Implement secure coding practices
Patching and Updates
- Stay informed about security updates from LibSass
- Apply patches as soon as they are released to mitigate the vulnerability