Double free error in Cisco IOS XE - CVE-2018-0160

 

Double free error in Cisco IOS XE - CVE-2018-0160

Published: March 29, 2018 / Updated: March 29, 2018


Vulnerability identifier: #VU11334
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-0160
CWE-ID: CWE-415
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco IOS XE

Detailed vulnerability description

The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.

The weakness exists in Simple Network Management Protocol (SNMP) subsystem due to improper management of memory resources. A remote attacker can send specially crafted SNMP packets, trigger double free error and cause the service to crash.

How to mitigate CVE-2018-0160

Update to versions 16.7(0.88), 16.6.2, 16.6(1.68), 16.5(1.321), 16.3.5b, 16.3.5, 16.3(4.88) or 15.6(2.14)SP3.

Sources