Home / vulnerabilities Secunia Security Advisory 47124
Posted on 12 December 2011
Source : packetstormsecurity.org Link
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TITLE:
Kerberos KDC "process_tgs_req()" NULL Pointer Dereference Denial of
Service Vulnerability
SECUNIA ADVISORY ID:
SA47124
VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/47124/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=47124
RELEASE DATE:
2011-12-07
DISCUSS ADVISORY:
http://secunia.com/advisories/47124/#comments
AVAILABLE ON SITE AND IN CUSTOMER AREA:
* Last Update
* Popularity
* Comments
* Criticality Level
* Impact
* Where
* Solution Status
* Operating System / Software
* CVE Reference(s)
http://secunia.com/advisories/47124/
ONLY AVAILABLE IN CUSTOMER AREA:
* Authentication Level
* Report Reliability
* Secunia PoC
* Secunia Analysis
* Systems Affected
* Approve Distribution
* Remediation Status
* Secunia CVSS Score
* CVSS
https://ca.secunia.com/?page=viewadvisory&vuln_id=47124
ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
* AUTOMATED SCANNING
http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/
DESCRIPTION:
A vulnerability has been reported in Kerberos, which can be exploited
by malicious users to cause a DoS (Denial of Service).
The vulnerability is caused due to a NULL pointer dereference error
within the "process_tgs_req()" function (src/kdc/do_tgs_req.c) and
can be exploited to crash the KDC daemon by sending specially crafted
TGS (Ticket Granting Service) requests.
The vulnerability is reported in the krb5-1.9 branch. Prior branches
are not affected.
SOLUTION:
Apply the patch.
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
PROVIDED AND/OR DISCOVERED BY:
The vendor credits Simo Sorce.
ORIGINAL ADVISORY:
http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2011-007.txt
OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
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