An issue has recently been discovered in Arista EOS where, under certain conditions, the service ACL configured for OpenConfig gNOI and OpenConfig RESTCONF might be bypassed, which results in the denied requests being forwarded to the agent.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Eos | Arista | 4.23.0 (including) | 4.23.9m (including) |
| Eos | Arista | 4.24.0 (including) | 4.24.7m (including) |
| Eos | Arista | 4.25.0 (including) | 4.25.3 (including) |
| Eos | Arista | 4.25.4 (including) | 4.25.4m (including) |
| Eos | Arista | 4.25.5 (including) | 4.25.5.1m (including) |
| Eos | Arista | 4.26.0 (including) | 4.26.2f (including) |
| Eos | Arista | 4.21.0f (including) | 4.21.0f (including) |
| Eos | Arista | 4.21.1f (including) | 4.21.1f (including) |
| Eos | Arista | 4.21.3f (including) | 4.21.3f (including) |
| Eos | Arista | 4.22.0f (including) | 4.22.0f (including) |
| Eos | Arista | 4.22.1f (including) | 4.22.1f (including) |
Access control involves the use of several protection mechanisms such as:
When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses: