APP: MIT Kerberos 5 KDC prep_reprocess_req NULL Pointer Dereference
This signature detects attempts to exploit a known vulnerability against MIT Kerberos 5 KDC prep_reprocess_req function. A successful attack can result in a denial-of-service condition.
Extended Description
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
Redhat enterprise_linux_server_aus
References
CVE: CVE-2013-1416
Short Name
APP:KERBEROS:PREP-REPROCESS-REQ
Severity
Major
Recommended
False
Recommended Action
Drop
Category
APP
Keywords
5 CVE-2013-1416 Dereference KDC Kerberos MIT NULL Pointer prep_reprocess_req
Release Date
04/26/2013
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3735
Port
UDP/88
False Positive
Unknown
Vendors
Opensuse
Fedoraproject
Mit
Redhat
CVSS Score
4.0