[prev in list] [next in list] [prev in thread] [next in thread] 

List:       oss-security
Subject:    [oss-security] CVE-2021-22160 Apache Pulsar Information Disclosure
From:       PengHui Li <penghui () apache ! org>
Date:       2021-05-25 13:32:35
Message-ID: CAJVHGGx-d9_mBWHU=hr74CsrsxvLwsq65+ZHhOGiKU3qgkw=nQ () mail ! gmail ! com
[Download RAW message or body]


CVE-2021-22160 Apache Pulsar Information Disclosure

Severity: High

Versions Affected:
Apache Pulsar < 2.7.1

Description:
If Apache Pulsar is configured to authenticate clients using tokens
based on JSON Web Tokens (JWT), the signature of the token is not
validated if the algorithm of the presented token is set to "none".
This allows an attacker to connect to Pulsar instances as any user
(incl. admins).

Mitigation:
Users of the affected versions should apply one of the following
mitigations:
Upgrade to Apache Pulsar 2.7.1 or later

Credit:
This issue was identified by Peter St=C3=B6ckli


[prev in list] [next in list] [prev in thread] [next in thread]