CVE-2018-0302 Memory corruption in Cisco FXOS Software and UCS Fabric Interconnect unknown
Authenticated local attackers can trigger a buffer overflow in the CLI parser to execute arbitrary code with root privileges on Cisco FXOS and UCS devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-0302?
CVE-2018-0302 is a high-severity memory corruption vulnerability in Cisco Firepower Extensible Operating System, published on 21 Jun 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in the CLI parser of Cisco FXOS Software and Cisco UCS Fabric Interconnect Software could allow an authenticated, local attacker to cause a buffer overflow on an affected device. The vulnerability is due to incorrect input validation in the CLI parser subsystem. An attacker could exploit this vulnerability by exceeding the expected length of user input. A successful exploit could allow the attacker to execute arbitrary code with root privileges on the affected system. This vulnerability affects Firepower 4100 Series Next-Generation Firewall, Firepower 9300 Security Appliance, UCS 6100 Series Fabric Interconnects, UCS 6200 Series Fabric Interconnects, UCS 6300 Series Fabric Interconnects. Cisco Bug IDs: CSCvb61099, CSCvb86743.
Which versions are affected by CVE-2018-0302?
It affects 2 products.
Products include Cisco Firepower Extensible Operating System, Cisco Nx-Os.
How do I fix CVE-2018-0302?
No fix has been published for CVE-2018-0302 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-0302 being exploited?
There is no known exploitation of CVE-2018-0302 in the wild and no public exploit code.
Other vulnerabilities in Cisco Firepower Extensible Operating System
- CVE-2018-0310 Information disclosure in Cisco FXOS and NX-OS unknown
- CVE-2015-6435 Command injection in n/a
- CVE-2021-1368 Memory corruption in Cisco NX-OS Software
- CVE-2020-3456 Cisco FXOS Software Firepower Chassis Manager Cross-Site Request Forgery Vulnerability
- CVE-2020-3172 Cisco FXOS and NX-OS Software Cisco Discovery Protocol Arbitrary Code Execution and Denial of Service Vulnerability
All Cisco Firepower Extensible Operating System vulnerabilities
Sources
Also known as GHSA-8989-fchh-h7r5.