Microsoft recently reported several SSRF vulnerabilities in Azure Services that have the potential to expose internal networks and sensitive data. These vulnerabilities were reported in the Azure App Service, App Service Environment, Functions, and Web Apps. According to security researchers, these flaws affected services used to host websites and other applications.
SSRF, or Server-Side Request Forgery, is a type of security flaw that allows an attacker to make requests to internal resources. In this case, the vulnerabilities could allow an attacker to access internal endpoints that are normally off-limits to the public. These endpoints can provide highly sensitive information, such as the database credentials or the storage account details.
To fix the security issues, Microsoft implemented a series of changes to the URL sanitization flow of its App Services. These changes have reduced the chance of requests being made to internal endpoints. Additionally, the company has also implemented a mitigation strategy for its Azure Functions service to help prevent access to restricted endpoints.
Although Microsoft did take measures to protect its customers, it is recommended that businesses take extra precautions to ensure the security of their systems. This includes checking their applications for any SSRF vulnerabilities, as well as using firewalls and other network security measures to limit access to internal endpoints.
Overall, the recent discovery of these security flaws in Azure Services highlights the importance of regularly checking your applications for potential vulnerabilities and taking the necessary steps to keep your data safe.
This Cyber News was published on www.securityweek.com. Publication date: Sun, 22 Jan 2023 10:48:00 +0000