#VU11335 Resource management errors in Cisco IOS XE - CVE-2018-0161
Published: March 29, 2018 / Updated: March 8, 2022
Vulnerability identifier: #VU11335
Vulnerability risk: Medium
CVSSv4.0: 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:A/U:Green
CVE-ID: CVE-2018-0161
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
Cisco IOS XE
Cisco IOS XE
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.
The weakness exists in the Simple Network Management Protocol (SNMP) subsystem due to a condition that could occur when processing an SNMP read request that contains a request for the ciscoFlashMIB object ID (OID). A remote attacker can issue an SNMP GET request for the ciscoFlashMIB OID and cause the service to crash due to a SYS-3-CPUHOG.
The weakness exists in the Simple Network Management Protocol (SNMP) subsystem due to a condition that could occur when processing an SNMP read request that contains a request for the ciscoFlashMIB object ID (OID). A remote attacker can issue an SNMP GET request for the ciscoFlashMIB OID and cause the service to crash due to a SYS-3-CPUHOG.
Remediation
Update to versions 15.2(6.3.30i)E, 15.2(6.3.0i)E, 15.2(6.2.6i)E or 15.2(6)E.