CVE-2019-11495: Critical severity wut com-server highspeed 100baselx vulnerability
In Couchbase Server 5.1.1, the cookie used for intra-node communication was not generated securely. Couchbase Server uses erlang:now() to seed the PRNG which results in a small search space for potential random seeds that could then be used to brute force the cookie and execute code against a remote system. This has been fixed in version 6.0.0.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2019-11495.
What is the severity of CVE-2019-11495?
The severity of CVE-2019-11495 is critical with a CVSS score of 9.8.
How does CVE-2019-11495 affect Couchbase Server?
CVE-2019-11495 affects Couchbase Server version 5.1.1.
How can an attacker exploit CVE-2019-11495?
An attacker can exploit CVE-2019-11495 by brute-forcing the insecure cookie used for intra-node communication in Couchbase Server 5.1.1, allowing them to execute code remotely.
Is there a fix for CVE-2019-11495?
Yes, the fix for CVE-2019-11495 is available in later versions of Couchbase Server. It is recommended to upgrade to a patched version.