Memory corruption in Cisco NX-OS - CVE-2018-0304
Published: June 20, 2018 / Updated: June 25, 2018
Vulnerability identifier: #VU13441
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-2018-0304
CWE-ID: CWE-120
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to buffer overflow or buffer over-read condition in the Cisco Fabric Services component when insufficient validation of Cisco Fabric Services packet headers. A remote unauthenticated attacker can send a specially crafted Cisco Fabric Services packet, trigger memory corruption and read sensitive memory content, cause the service to crash or execute arbitrary code with root 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-2018-0304
Install update from vendor's website.