Buffer overflow in Cisco Systems, Inc products - CVE-2020-3470

 

Buffer overflow in Cisco Systems, Inc products - CVE-2020-3470

Published: November 18, 2020 / Updated: November 19, 2020


Vulnerability identifier: #VU48561
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-2020-3470
CWE-ID: CWE-119
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 a boundary error in the API subsystem. A remote attacker can send a specially crafted HTTP request, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Cisco 5000 Series Enterprise Network Compute System
UCS E-Series Servers
UCS S-Series Servers in standalone mode
UCS C-Series Rack Servers in standalone mode
Cisco Integrated Management Controller

How to mitigate CVE-2020-3470

Install updates from vendor's website.

Cisco 5000 Series Enterprise Network Compute System - update to 4.4.1
UCS E-Series Servers - update to 3.2.11.3
UCS S-Series Servers in standalone mode - addressed in versions 3.0.4r, 4.0.4m, 4.1.1g
UCS C-Series Rack Servers in standalone mode - addressed in versions 3.0.4r, 4.0.2n, 4.0.4m, 4.1.1g

External References

Related Security Bulletins