—–BEGIN PGP SIGNED MESSAGE—–
Hash: SHA256

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

Synopsis: Important: krb5-appl security update
Advisory ID: RHSA-2020:1349-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1349
Issue date: 2020-04-07
CVE Names: CVE-2020-10188
=====================================================================

1. Summary:

An update for krb5-appl is now available for Red Hat Enterprise Linux 6.

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 Desktop (v. 6) – i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) – x86_64
Red Hat Enterprise Linux Server (v. 6) – i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) – i386, x86_64

3. Description:

The krb5-appl packages contain Kerberos-aware versions of telnet, ftp, rsh,
and rlogin clients and servers. Kerberos is a network authentication system
which allows clients and servers to authenticate to each other using
symmetric encryption and trusted third-party, the Key Distribution Center
(KDC).

Security Fix(es):

* telnet-server: no bounds checks in nextitem() function allows to remotely
execute arbitrary code (CVE-2020-10188)

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/):

1811673 – CVE-2020-10188 telnet-server: no bounds checks in nextitem() function allows to remotely execute arbitrary code

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
krb5-appl-1.0.1-10.el6_10.src.rpm

i386:
krb5-appl-clients-1.0.1-10.el6_10.i686.rpm
krb5-appl-debuginfo-1.0.1-10.el6_10.i686.rpm
krb5-appl-servers-1.0.1-10.el6_10.i686.rpm

x86_64:
krb5-appl-clients-1.0.1-10.el6_10.x86_64.rpm
krb5-appl-debuginfo-1.0.1-10.el6_10.x86_64.rpm
krb5-appl-servers-1.0.1-10.el6_10.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
krb5-appl-1.0.1-10.el6_10.src.rpm

x86_64:
krb5-appl-clients-1.0.1-10.el6_10.x86_64.rpm
krb5-appl-debuginfo-1.0.1-10.el6_10.x86_64.rpm
krb5-appl-servers-1.0.1-10.el6_10.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
krb5-appl-1.0.1-10.el6_10.src.rpm

i386:
krb5-appl-clients-1.0.1-10.el6_10.i686.rpm
krb5-appl-debuginfo-1.0.1-10.el6_10.i686.rpm
krb5-appl-servers-1.0.1-10.el6_10.i686.rpm

ppc64:
krb5-appl-clients-1.0.1-10.el6_10.ppc64.rpm
krb5-appl-debuginfo-1.0.1-10.el6_10.ppc64.rpm
krb5-appl-servers-1.0.1-10.el6_10.ppc64.rpm

s390x:
krb5-appl-clients-1.0.1-10.el6_10.s390x.rpm
krb5-appl-debuginfo-1.0.1-10.el6_10.s390x.rpm
krb5-appl-servers-1.0.1-10.el6_10.s390x.rpm

x86_64:
krb5-appl-clients-1.0.1-10.el6_10.x86_64.rpm
krb5-appl-debuginfo-1.0.1-10.el6_10.x86_64.rpm
krb5-appl-servers-1.0.1-10.el6_10.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
krb5-appl-1.0.1-10.el6_10.src.rpm

i386:
krb5-appl-clients-1.0.1-10.el6_10.i686.rpm
krb5-appl-debuginfo-1.0.1-10.el6_10.i686.rpm
krb5-appl-servers-1.0.1-10.el6_10.i686.rpm

x86_64:
krb5-appl-clients-1.0.1-10.el6_10.x86_64.rpm
krb5-appl-debuginfo-1.0.1-10.el6_10.x86_64.rpm
krb5-appl-servers-1.0.1-10.el6_10.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-2020-10188
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 2020 Red Hat, Inc.
—–BEGIN PGP SIGNATURE—–
Version: GnuPG v1
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=F3IW
—–END PGP SIGNATURE—–

—
RHSA-announce mailing list
RHSA-announce@redhat.com
https://www.redhat.com/mailman/listinfo/rhsa-announce