CVE-2022-28773 : Security Advisory and Response
Learn about CVE-2022-28773 affecting SAP NetWeaver (Internet Communication Manager) and SAP Web Dispatcher, leading to denial of service due to uncontrolled recursion. Find out how to mitigate this security issue.
SAP SE has reported CVE-2022-28773 affecting SAP NetWeaver (Internet Communication Manager) and SAP Web Dispatcher, leading to denial of service due to uncontrolled recursion.
Understanding CVE-2022-28773
This CVE affects specific versions of SAP NetWeaver (Internet Communication Manager) and SAP Web Dispatcher, potentially causing the application to crash.
What is CVE-2022-28773?
The vulnerability in SAP NetWeaver (Internet Communication Manager) and SAP Web Dispatcher can result in denial of service due to uncontrolled recursion, leading to application crashes. However, affected systems may restart automatically.
The Impact of CVE-2022-28773
The impact of this CVE is a denial of service, where the application crashes due to uncontrolled recursion. Although the system may restart automatically, it poses a risk to system availability.
Technical Details of CVE-2022-28773
This section provides more specific technical details related to the vulnerability.
Vulnerability Description
The vulnerability involves uncontrolled recursion in SAP Web Dispatcher and SAP Internet Communication Manager, potentially leading to denial of service incidents.
Affected Systems and Versions
The affected systems include SAP NetWeaver (Internet Communication Manager) versions KRNL64NUC 7.22, 7.22EXT, 7.49, KRNL64UC 7.22, 7.53, KERNEL 7.22, 7.77, 7.81, 7.85, and 7.86. Additionally, SAP Web Dispatcher versions 7.53, 7.77, 7.81, 7.85, and 7.86 are impacted.
Exploitation Mechanism
The exploitation of this vulnerability can lead to application crashes and denial of service incidents, potentially disrupting business operations.
Mitigation and Prevention
To address CVE-2022-28773, it is crucial to implement proper mitigation strategies and preventive measures.
Immediate Steps to Take
Immediate steps include applying patches and updates provided by SAP to fix the vulnerability and prevent exploitation.
Long-Term Security Practices
Establishing robust security practices and monitoring systems for any unusual activities can enhance the overall security posture against similar vulnerabilities.
Patching and Updates
Regularly monitoring for security updates from SAP and promptly applying patches can help prevent exploitation of known vulnerabilities.