Rapid7 Vulnerability & Exploit Database

CentOS Linux: CVE-2020-28196: Moderate: krb5 security update (CESA-2021:1593)

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

CentOS Linux: CVE-2020-28196: Moderate: krb5 security update (CESA-2021:1593)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
11/06/2020
Created
06/01/2021
Added
06/01/2021
Modified
05/25/2023

Description

MIT Kerberos 5 (aka krb5) before 1.17.2 and 1.18.x before 1.18.3 allows unbounded recursion via an ASN.1-encoded Kerberos message because the lib/krb5/asn.1/asn1_encode.c support for BER indefinite lengths lacks a recursion limit.

Solution(s)

  • centos-upgrade-krb5-debuginfo
  • centos-upgrade-krb5-debugsource
  • centos-upgrade-krb5-devel
  • centos-upgrade-krb5-devel-debuginfo
  • centos-upgrade-krb5-libs
  • centos-upgrade-krb5-libs-debuginfo
  • centos-upgrade-krb5-pkinit
  • centos-upgrade-krb5-pkinit-debuginfo
  • centos-upgrade-krb5-server
  • centos-upgrade-krb5-server-debuginfo
  • centos-upgrade-krb5-server-ldap
  • centos-upgrade-krb5-server-ldap-debuginfo
  • centos-upgrade-krb5-workstation
  • centos-upgrade-krb5-workstation-debuginfo
  • centos-upgrade-libkadm5
  • centos-upgrade-libkadm5-debuginfo

References

  • DSA-4795
  • CVE-2020-28196

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;