Medium: krb5

Issue Overview:

Multiple NULL pointer dereference and assertion failure flaws were found in the MIT Kerberos KDC when it was configured to use an LDAP (Lightweight Directory Access Protocol) or Berkeley Database (Berkeley DB) back end. A remote attacker could use these flaws to crash the KDC. (CVE-2011-1527, CVE-2011-1528, CVE-2011-1529)

Affected Packages:

krb5

Issue Correction:
Run yum update krb5 to update your system.

New Packages:

i686:  
    krb5-devel-1.9-9.19.amzn1.i686  
    krb5-server-ldap-1.9-9.19.amzn1.i686  
    krb5-server-1.9-9.19.amzn1.i686  
    krb5-pkinit-openssl-1.9-9.19.amzn1.i686  
    krb5-libs-1.9-9.19.amzn1.i686  
    krb5-workstation-1.9-9.19.amzn1.i686  
    krb5-debuginfo-1.9-9.19.amzn1.i686  
  
src:  
    krb5-1.9-9.19.amzn1.src  
  
x86_64:  
    krb5-libs-1.9-9.19.amzn1.x86_64  
    krb5-server-1.9-9.19.amzn1.x86_64  
    krb5-debuginfo-1.9-9.19.amzn1.x86_64  
    krb5-server-ldap-1.9-9.19.amzn1.x86_64  
    krb5-workstation-1.9-9.19.amzn1.x86_64  
    krb5-devel-1.9-9.19.amzn1.x86_64  
    krb5-pkinit-openssl-1.9-9.19.amzn1.x86_64  

Additional References

Red Hat: CVE-2011-1527

Mitre: CVE-2011-1527