CVE-2021-27925 - Cleartext Transmission of Sensitive Information

Severity

44%

Complexity

6%

Confidentiality

60%

An issue was discovered in Couchbase Server 6.5.x and 6.6.x through 6.6.1. When using the View Engine and Auditing is enabled, a crash condition can (depending on a race condition) cause an internal user with administrator privileges, @ns_server, to have its credentials leaked in cleartext in the ns_server.info.log file.

CVSS 3.1 Base Score 4.4. CVSS Attack Vector: network. CVSS Attack Complexity: high. CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N).

CVSS 2.0 Base Score 3.5. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:S/C:P/I:N/A:N).

Demo Examples

Cleartext Transmission of Sensitive Information

CWE-319

The following code attempts to establish a connection to a site to communicate sensitive information.


               
}
hu.disconnect();
//...

Though a connection is successfully made, the connection is unencrypted and it is possible that all sensitive data sent to or received from the server will be read by unintended actors.

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