Vulnerability identifier: #VU54946
Vulnerability risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-295
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Consul
Server applications /
Other server solutions
Vendor: HashiCorp
Description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to xds does not ensure that the Subject Alternative Name of an upstream is validated. A remote attacker can perform a man-in-the-middle (MitM) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Consul: 1.10.0, 1.9.0 - 1.9.7, 1.8.0 - 1.8.13
External links
http://www.hashicorp.com/blog/category/consul
http://github.com/hashicorp/consul/releases/tag/v1.10.1
http://github.com/hashicorp/consul/releases/tag/v1.9.8
http://github.com/hashicorp/consul/releases/tag/v1.8.14
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.