#VU7295 Buffer overflow in Cisco IOS and Cisco IOS XE - CVE-2017-6741
Published: July 3, 2017 / Updated: August 25, 2017
Vulnerability identifier: #VU7295
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-6741
CWE-ID: CWE-120
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco IOS
Cisco IOS XE
Cisco IOS
Cisco IOS XE
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a remote authenticated attacker to execute arbitrary code on the target system.
The weakness exists in the Simple Network Management Protocol (SNMP) subsystem due to buffer overflow when handling malicious input. A remote attacker can send specially crafted SNMP packet via IPv4 or IPv6, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of the vulnerability results in system compromise.
The weakness exists in the Simple Network Management Protocol (SNMP) subsystem due to buffer overflow when handling malicious input. A remote attacker can send specially crafted SNMP packet via IPv4 or IPv6, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of the vulnerability results in system compromise.
Remediation
The vulnerability is addressed in the following versions:
16.7(0.63), 16.6(0.229), 16.5(1.61), 15.7(3.1.4A)OT, 15.7(2.0o)M, 15.5(3)S5.22, 15.2(1.2.81)SY2, 15.1(2)SY10.99, 8.2(154.58).
16.7(0.63), 16.6(0.229), 16.5(1.61), 15.7(3.1.4A)OT, 15.7(2.0o)M, 15.5(3)S5.22, 15.2(1.2.81)SY2, 15.1(2)SY10.99, 8.2(154.58).