Security restrictions bypass in Nexus 9500 R-Series Line Cards and Fabric Modules - CVE-2017-12351

 

Security restrictions bypass in Nexus 9500 R-Series Line Cards and Fabric Modules - CVE-2017-12351

Published: December 1, 2017


Vulnerability identifier: #VU9490
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-12351
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local attacker to bypass security restrictions on the target system.

The weakness exists in the guest shell feature of Cisco NX-OS System Software due to insufficient internal security measures in the guest shell feature. A local attacker with knowledge of valid administrator credentials can bypass security restrictions to send or receive packets on the device-internal network outside of the guest shell container.

Affected software

Nexus 9500 R-Series Line Cards and Fabric Modules

How to mitigate CVE-2017-12351

Install update from vendor's website.


External References

Related Security Bulletins