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 v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2017-12351
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Nexus 9500 R-Series Line Cards and Fabric Modules
Nexus 9500 R-Series Line Cards and Fabric Modules
Detailed vulnerability description
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.
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.
How to mitigate CVE-2017-12351
Install update from vendor's website.