CVE-2021-3698
First published: Tue Aug 10 2021(Updated: )
A flaw was found in Cockpit in versions prior to 260 in the way it handles the certificate verification performed by the System Security Services Daemon (SSSD). This flaw allows client certificates to authenticate successfully, regardless of the Certificate Revocation List (CRL) configuration or the certificate status. The highest threat from this vulnerability is to confidentiality.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cockpit-project Cockpit | <260 | |
| Redhat Enterprise Linux | =8.0 | |
| redhat/cockpit | <260 | 260 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1992149
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1992432
- https://cockpit-project.org/guide/latest/cert-authentication.html
- https://github.com/SSSD/sssd/issues/5224
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1998513
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1993783
- https://github.com/cockpit-project/cockpit/pull/16703
- https://access.redhat.com/errata/RHSA-2022:2008
- https://access.redhat.com/security/cve/cve-2021-3698
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-3698.
What is the severity of CVE-2021-3698?
The severity of CVE-2021-3698 is high (7.5).
What is affected by CVE-2021-3698?
Cockpit versions prior to 260 and Red Hat Enterprise Linux 8.0 are affected by CVE-2021-3698.
How does CVE-2021-3698 affect Cockpit?
CVE-2021-3698 affects the way Cockpit handles certificate verification performed by the System Security Services Daemon (SSSD).
Are there any references related to CVE-2021-3698?
Yes, you can find references related to CVE-2021-3698 in the following links: <a href='https://bugzilla.redhat.com/show_bug.cgi?id=1992149' target='_blank'>https://bugzilla.redhat.com/show_bug.cgi?id=1992149</a>, <a href='https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1992432' target='_blank'>https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1992432</a>, <a href='https://cockpit-project.org/guide/latest/cert-authentication.html' target='_blank'>https://cockpit-project.org/guide/latest/cert-authentication.html</a>.
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