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Vulnerability Analysis Result (Revision No : 1) [ Download XML
VRDA-090706-001     ( CVE-2009-0846 )
ESX Service Console update for krb5
http://www.vmware.com/security/advisories/VMSA-2009-0008.html

An input validation flaw in the asn1_decode_generaltime function in MIT Kerberos 5 before 1.6.4 allows remote attackers to cause a denial of service or possibly execute arbitrary code via vectors involving an invalid DER encoding that triggers a free of an uninitialized pointer.




About This Analysis Information
Analysis Information Provider:
JPCERT/CC
First Published:
2009-07-06
Source Information Category:
Advisory, Alert
Last Updated:
2009-07-06




Affected Product Tags
cpe:/a:vmware:esx_server     (VMWare ESX Server)
 


Vulnerability Analysis Results
[Information Source Reliability] [?]
Low [?]

Medium [?]
X High [?]

[Impact Level] [?]
Low [?]

Low-Medium [?]
Medium-High [?]
X High [?]

[Access Required] [?]
Physical [?]

Local [?]
Non-routed [?]
X Routed [?]

[Authentication] [?]
Privileged [?]

Standard [?]
Limited [?]
X None or Unnecessary [?]

[User Interaction Required] [?]
Complex [?]

Simple [?]
X None [?]

[Technical Difficulty] [?]
High [?]

Medium-High [?]
Low-Medium [?]
Low [?]

[Availability of Remediation] [?]
X Official Patch [?]

Official Workaround [?]
Unofficial Patch [?]
None [?]

[Incident Activity] [?]
X None [?]

Exploit or PoC [?]
Activity Observed [?]

Alternatives
CVE-2009-0846
The asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in the ASN.1 GeneralizedTime decoder in MIT Kerberos 5 (aka krb5) before 1.6.4 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via vectors involving an invalid DER encoding that triggers a free of an uninitialized pointer.








References

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