SB2017030703 - Remote code execution in Mikrotik RouterOS HTTP server

Description

This security bulletin contains information about 1 security vulnerability.

1) Stack-based buffer overflow (CVE-ID: N/A)

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

The vulnerability exists due to a boundary error within the HTTP server component. A remote attacker can send a specially crafted HTTP POST request to the affected device and trigger stack-based buffer overflow.

Successful exploitation of the vulnerability may allow an attacker to execute arbitrary code on the target system.

Note: this vulnerability was disclosed in the "Vault 7" leak by Wikileaks project. The codename of the exploit affecting Mikrotik RouterOS is ChimayRed.

Remediation

Install update from vendor's website.

References

• http://www.wizzycom.net/mikrotik-http-server-vulnerability/
• https://wikileaks.org/ciav7p1/cms/page_16384604.html