This security bulletin contains one medium risk vulnerability.
Exploit availability: NoDescription
The vulnerability allows a remote user to gain unauthorized access to sensitive information.
The vulnerability exists due to improper access restrictions. An ACL token (with the default operator:write permissions) in one namespace can be used for unintended privilege escalation in a different namespace. A remote user can send a specially crafted request and gain unauthorized access to the affected application.Mitigation
Install update from vendor's website.Vulnerable software versions
Consul: 1.8.0 - 1.8.16, 1.9.0 - 1.9.10, 1.10.0 - 1.10.3
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?