Buffer overflow in Microsoft Windows and Windows Server - CVE-2017-8461

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in RPC implementation, when Routing and Remote Access service is enabled in Windows XP and Windows 2003. A remote unauthenticated attacker can send a specially crafted RPC request to vulnerable system and execute arbitrary code with SYSTEM privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note: this vulnerability is being exploited in the wild.

Affected software

How to mitigate CVE-2017-8461

Links to Public Exploits and PoC-codes

• Exploit #5350 - Microsoft Windows RRAS Service MIBEntryGet Overflow (May 9, 2021)

External References

• https://support.microsoft.com/en-us/help/4024323/security-update-of-windows-xp-and-windows-server-20...
• https://technet.microsoft.com/en-us/library/security/4025685.aspx

Related Security Bulletins

• Multiple RCE vulnerabilities in Microsoft Windows XP 2003
• Multiple vulnerabilities in Red Hat OpenShift GitOps 1.11