APP: Cisco IOS-XE Smart Install Remote Code Execution
This signature detects a vulnerability in Cisco Smart Install Client. Successful exploitation can allow Remote Code Execution
Extended Description
A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition, or to execute arbitrary code on an affected device. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted Smart Install message to an affected device on TCP port 4786. A successful exploit could allow the attacker to cause a buffer overflow on the affected device, which could have the following impacts: Triggering a reload of the device, Allowing the attacker to execute arbitrary code on the device, Causing an indefinite loop on the affected device that triggers a watchdog crash. Cisco Bug IDs: CSCvg76186.
Affected Products
Cisco ios
Short Name
APP:CISCO:ISO-SMI-RCE
Severity
Critical
Recommended
False
Recommended Action
Drop
Category
APP
Keywords
CVE-2018-0171 Cisco Code Execution IOS-XE Install Remote Smart bid:103538
Release Date
04/10/2018
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3337
Port
TCP/4786
False Positive
Unknown
Vendors
Cisco
CVSS Score
10.0