Buffer overflow in Cisco NX-OS - CVE-2018-0312
Published: June 20, 2018 / Updated: June 25, 2018
Vulnerability identifier: #VU13443
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-0312
CWE-ID: CWE-120
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.
The vulnerability exists due to boundary error when insufficient validation of Cisco Fabric Services packet headers when the software processes packet data. A remote unauthenticated attacker can send a maliciously crafted Cisco Fabric Services packet, trigger buffer overflow condition and cause the service to crash or execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Cisco NX-OS
Cisco FXOS
UCS 6300 Series Fabric Interconnects
UCS 6200 Series Fabric Interconnects
UCS 6100 Series Fabric Interconnects
Cisco FXOS
UCS 6300 Series Fabric Interconnects
UCS 6200 Series Fabric Interconnects
UCS 6100 Series Fabric Interconnects
How to mitigate CVE-2018-0312
Install update from vendor's website.