Buffer overflow in Cisco IOS XE - CVE-2018-0171
Published: March 28, 2018 / Updated: February 1, 2023
Vulnerability identifier: #VU11336
CSH Severity: High
CVSS v4: 9.3 [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]
CVE-ID: CVE-2018-0171
CWE-ID: CWE-120
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote unauthenticated attacker to cause DoS condition or execute arbitrary code on the target system.
The weakness exists in the Smart Install feature due to improper validation of packet data. A remote attacker can trigger buffer overflow, cause the service to crash and execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
Affected software
Cisco IOS XE
Allen-Bradley Stratix 8300 Modular Managed Ethernet Switches
Allen-Bradley Stratix 5400 Industrial Ethernet Switches
Allen-Bradley Stratix 5410 Industrial Distribution Switches
Allen-Bradley Stratix 5700 Industrial Managed Ethernet Switches
Allen-Bradley ArmorStratix 5700 Industrial Managed Ethernet Switches
Allen-Bradley Stratix 8000 Modular Managed Ethernet Switches
Allen-Bradley Stratix 8300 Modular Managed Ethernet Switches
Allen-Bradley Stratix 5400 Industrial Ethernet Switches
Allen-Bradley Stratix 5410 Industrial Distribution Switches
Allen-Bradley Stratix 5700 Industrial Managed Ethernet Switches
Allen-Bradley ArmorStratix 5700 Industrial Managed Ethernet Switches
Allen-Bradley Stratix 8000 Modular Managed Ethernet Switches
How to mitigate CVE-2018-0171
Update to versions 16.3(5.72), 15.7(3.1.14A)OT, 15.7(3.1.10V)OT, 15.7(3.0z)M, 15.7(2.0v)M0.6, 15.6(3)M4, 15.6(3)M3.1, 15.5(3)M7, 15.5(3)M6.1, 15.5(1.0.93)SY1, 15.5(1.0.91)SY1, 15.5(1)SY1, 15.5(1)IC1.112, 15.5(1)IA1.529, 15.4(3)M9, 15.4(1.1.21)SY4, 15.4(1)SY4, 15.2(6.5.1i)E1, 15.2(6.4.66i)E1, 15.2(6.4.4i)E1, 15.2(6)E1, 15.2(4.7.8)EA7, 15.2(2)E8, 15.2(1)SY6, 15.2(1)SY5.114, 15.1(2)SY11.62 or 12.2(60)EZ13.