#VU11338 Resource management errors in Cisco IOS XE - CVE-2018-0179
Published: March 29, 2018 / Updated: March 8, 2022
Vulnerability identifier: #VU11338
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2018-0179
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 unauthenticated attacker to cause DoS condition on the target system.
The weakness exists due to an attempt to free an area of memory that has not been previously allocated. A remote attacker can attempt to log in via Secure Shell (SSH) or Telnet with invalid credentials multiple times and cause the service to crash.
The weakness exists due to an attempt to free an area of memory that has not been previously allocated. A remote attacker can attempt to log in via Secure Shell (SSH) or Telnet with invalid credentials multiple times and cause the service to crash.
Remediation
Update to versions 15.7(3.1.8A)OT, 15.7(3.1.4A)OT, 15.6(3)M, 15.6(2.12.1a)T0, 15.6(2.3)T, 15.6(2)T0.1, 15.5(3)M2.1, 15.4(3)M6 or 15.4(1)IA1.102.