CVE-2021-42763 Information disclosure in n/a

High 7.5 Published Updated

Couchbase Server leaks sensitive credentials in cleartext HTTP headers when forwarding UI requests, allowing attackers to read authentication data.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-42763?

CVE-2021-42763 is a high-severity vulnerability in Couchbase Couchbase Server, published on 2 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Couchbase Server before 6.6.3 and 7.x before 7.0.2 stores Sensitive Information in Cleartext. The issue occurs when the cluster manager forwards a HTTP request from the pluggable UI (query workbench etc) to the specific service. In the backtrace, the Basic Auth Header included in the HTTP request, has the "@" user credentials of the node processing the UI request.

Weakness: CWE-312

Which versions are affected by CVE-2021-42763?

It affects 1 product.

Products include Couchbase Couchbase Server.

How do I fix CVE-2021-42763?

No fix has been published for CVE-2021-42763 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-42763 being exploited?

There is no known exploitation of CVE-2021-42763 in the wild and no public exploit code.

All Couchbase Couchbase Server vulnerabilities

Sources

Also known as GHSA-fhmq-3v4x-2v22.

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