Buffer overflow in Cisco NX-OS - CVE-2018-0314

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Main Vulnerability Database Vulnerabilities #VU13442

Buffer overflow in Cisco NX-OS - CVE-2018-0314

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


Vulnerability identifier: #VU13442
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-2018-0314
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 in the Cisco Fabric Services (CFS) component due to buffer overflow 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 memory corruption and execute arbitrary code on the device.

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

How to mitigate CVE-2018-0314

Install update from vendor's website.


External References

Related Security Bulletins