CVE-2017-6650

Description

A vulnerability in the Telnet CLI command of Cisco NX-OS System Software 7.1 through 7.3 running on Cisco Nexus Series Switches could allow an authenticated, local attacker to perform a command injection attack. The vulnerability is due to insufficient input validation of command arguments. An attacker could exploit this vulnerability by injecting crafted command arguments into the Telnet CLI command. An exploit could allow the attacker to read or write arbitrary files at the user's privilege level outside of the user's path. Cisco Bug IDs: CSCvb86771.

Weakness classification

• CWE-20: Improper Input Validation
• CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')

Primary references

• psirt@cisco.com — Third Party Advisory, Vendor Advisory
• psirt@cisco.com
• psirt@cisco.com — Vendor Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, Vendor Advisory
• af854a3a-2127-422b-91ae-364da2661108
• af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory