NULL pointer dereference in LibSass - CVE-2018-20190
Published: December 23, 2018
Vulnerability identifier: #VU16659
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-20190
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the function Sass::Eval::operator()(Sass::Supports_Operator*) in eval.cpp. A remote attacker can trick the victim into opening a specially crafted sass input file and perform a denial of service (DoS) attack.
Affected software
LibSass
IBM Watson Machine Learning Accelerator
IBM Planning Analytics Workspace
IBM Security Verify Information Queue
IBM Edge Application Manager
IBM Watson Machine Learning on CP4D
QRadar User Behavior Analytics
IBM QRadar Data Synchronization App
IBM Watson Machine Learning Accelerator
IBM Planning Analytics Workspace
IBM Security Verify Information Queue
IBM Edge Application Manager
IBM Watson Machine Learning on CP4D
QRadar User Behavior Analytics
IBM QRadar Data Synchronization App
How to mitigate CVE-2018-20190
Cybersecurity Help is currently unaware of any official solution to address the vulnerability.
IBM Planning Analytics Workspace - update to 2.0.93
IBM Watson Machine Learning on CP4D - update to 2.6.0
IBM QRadar Data Synchronization App - update to 3.2.1
QRadar User Behavior Analytics - update to 4.1.11
IBM Security Verify Information Queue - update to 10.0.0
IBM Watson Machine Learning on CP4D - update to 2.6.0
IBM QRadar Data Synchronization App - update to 3.2.1
QRadar User Behavior Analytics - update to 4.1.11
IBM Security Verify Information Queue - update to 10.0.0
External References
Related Security Bulletins
- Denial of service in LibSass
- Multiple vulnerabilities in IBM Security Verify Information Queue
- Multiple vulnerabilities in IBM Edge Application Manager
- Multiple vulnerabilities in IBM QRadar User Behavior Analytics
- Multiple vulnerabilities in IBM Watson Machine Learning Accelerator on Cloud Pak for Data
- Multiple vulnerabilities in IBM Watson Machine Learning Accelerator on Cloud Pak for Data
- Multiple vulnerabilities in IBM Planning Analytics Workspace
- Multiple vulnerabilities in IBM QRadar Data Synchronization App