Null pointer dereference in Cisco NX-OS - CVE-2018-0305

 

Null pointer dereference in Cisco NX-OS - CVE-2018-0305

Published: June 20, 2018 / Updated: June 25, 2018


Vulnerability identifier: #VU13447
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2018-0305
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists in the Cisco Fabric Services component due to insufficient validation of Cisco Fabric Services packets. A remote attacker can send a specially crafted Cisco Fabric Services packet, trigger a NULL pointer dereference and cause the service to crash.


Affected software

Cisco NX-OS
Cisco FXOS
UCS 6300 Series Fabric Interconnects
UCS 6200 Series Fabric Interconnects
UCS 6100 Series Fabric Interconnects

How to mitigate CVE-2018-0305

Install update from vendor's website.


External References

Related Security Bulletins