Login
Newsletter
Werbung

Sicherheit: Mangelnde Prüfung von Zertifikaten in stunnel
Aktuelle Meldungen Distributionen
Name: Mangelnde Prüfung von Zertifikaten in stunnel
ID: RHSA-2021:0620-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux
Datum: Mo, 22. Februar 2021, 22:08
Referenzen: https://access.redhat.com/security/cve/CVE-2021-20230
Applikationen: stunnel

Originalnachricht

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

=====================================================================
Red Hat Security Advisory

Synopsis: Important: stunnel security update
Advisory ID: RHSA-2021:0620-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0620
Issue date: 2021-02-22
CVE Names: CVE-2021-20230
=====================================================================

1. Summary:

An update for stunnel is now available for Red Hat Enterprise Linux 8.1
Extended Update Support.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux BaseOS EUS (v. 8.1) - aarch64, ppc64le, s390x, x86_64

3. Description:

Stunnel is a wrapper for network connections. It can be used to tunnel an
unencrypted network connection over an encrypted connection (encrypted
using SSL or TLS) or to provide an encrypted means of connecting to
services that do not natively support encryption.

Security Fix(es):

* stunnel: client certificate not correctly verified when redirect and
verifyChain options are used (CVE-2021-20230)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1925226 - CVE-2021-20230 stunnel: client certificate not correctly verified
when redirect and verifyChain options are used

6. Package List:

Red Hat Enterprise Linux BaseOS EUS (v. 8.1):

Source:
stunnel-5.48-6.el8_1.src.rpm

aarch64:
stunnel-5.48-6.el8_1.aarch64.rpm
stunnel-debuginfo-5.48-6.el8_1.aarch64.rpm
stunnel-debugsource-5.48-6.el8_1.aarch64.rpm

ppc64le:
stunnel-5.48-6.el8_1.ppc64le.rpm
stunnel-debuginfo-5.48-6.el8_1.ppc64le.rpm
stunnel-debugsource-5.48-6.el8_1.ppc64le.rpm

s390x:
stunnel-5.48-6.el8_1.s390x.rpm
stunnel-debuginfo-5.48-6.el8_1.s390x.rpm
stunnel-debugsource-5.48-6.el8_1.s390x.rpm

x86_64:
stunnel-5.48-6.el8_1.x86_64.rpm
stunnel-debuginfo-5.48-6.el8_1.x86_64.rpm
stunnel-debugsource-5.48-6.el8_1.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2021-20230
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=evFH
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce
Pro-Linux
Pro-Linux @Facebook
Neue Nachrichten
Werbung