krb5 security update

CentOS Errata and Security Advisory CESA-2020:1349

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.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2020-April/085816.html

Affected packages:
krb5-appl-clients
krb5-appl-servers

Upstream details at:
https://access.redhat.com/errata/RHSA-2020:1349