SB2017030703 - Remote code execution in Mikrotik RouterOS HTTP server
Published: March 7, 2017 Updated: March 29, 2017
Security Bulletin ID
SB2017030703
CSH Severity
Critical
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Stack-based buffer overflow (CVE-ID: N/A)
CWE-ID: CWE-121 - Stack-based buffer overflow
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
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.