NetSight
medium4.0

CVE-2013-1416

The prep_reprocess_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.5 does not properly perform servi…

Impact

The prep_reprocess_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.5 does not properly perform service-principal realm referral, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS-REQ request.

Affected products

VendorProductAffected versions
MitKerberos 5
before 1.10.5
OpensuseOpensuse
Versions 11.4, 12.1, 12.2, 12.3
FedoraprojectFedora
Versions 17, 18
RedhatEnterprise Linux Desktop
Version 6.0
RedhatEnterprise Linux Eus
Version 6.4
RedhatEnterprise Linux Server
Version 6.0
RedhatEnterprise Linux Server Aus
Version 6.4
RedhatEnterprise Linux Workstation
Version 6.0

Weakness classification

References