CVE-2011-1530

Current Description

The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS request that triggers an error other than the KRB5_KDB_NOENTRY error.

Basic Data

PublishedDecember 08, 2011
Last ModifiedOctober 09, 2018
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeCWE-399
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:N/AC:L/Au:S/C:N/I:N/A:C
CVSS 2 - Access VectorNETWORK
CVSS 2 - Access ComplexityLOW
CVSS 2 - AuthenticationSINGLE
CVSS 2 - Confidentiality ImpactNONE
CVSS 2 - Availability ImpactCOMPLETE
CVSS 2 - Base Score6.8
SeverityMEDIUM
Exploitability Score8.0
Impact Score6.9
Obtain All Privilegefalse
Obtain User Privilegefalse
Obtain Other Privilegefalse

Base Metric V3

No data provided.

Configurations

  • OR - Configuration 1
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3ApplicationMitMit Kerberos5.1.9*******
    2.3ApplicationMitMit Kerberos5.1.9.1*******
    2.3ApplicationMitMit Kerberos5.1.9.2*******

Vulnerable Software List

VendorProductVersions
Mit Mit Kerberos 5.1.9, 5.1.9.1, 5.1.9.2

References

NameSourceURLTags
47124http://secunia.com/advisories/47124SECUNIAVendor Advisory
1026374http://securitytracker.com/id?1026374SECTRACK
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-007.txthttp://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-007.txtCONFIRMPatch
MDVSA-2011:184http://www.mandriva.com/security/advisories?name=MDVSA-2011:184MANDRIVA
RHSA-2011:1790http://www.redhat.com/support/errata/RHSA-2011-1790.htmlREDHAT
20111206 MITKRB5-SA-2011-007 KDC null pointer dereference in TGS handling [CVE-2011-1530]http://www.securityfocus.com/archive/1/520756/100/0/threadedBUGTRAQ
50929http://www.securityfocus.com/bid/50929BID
kerberos-processtgsreq-dos(71655)https://exchange.xforce.ibmcloud.com/vulnerabilities/71655XF