IBM DB2 DRDA connection denial of service

db2-drdaconnection-dos (75418)

Low Risk

Description:

IBM DB2 is vulnerable to a denial of service, caused by a NULL pointer dereference when handling DRDA connections. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause the database to crash.

*CVSS:

Base Score:	4.3
Access Vector:	Network
Access Complexity:	Medium
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial
Temporal Score:	3.2
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Denial of Service

Remedy:

Refer to IBM Security Bulletin 1597090 for patch, upgrade or suggested workaround information. See References.

References:

• IBM Security Bulletin 1597090: DB2 Denial of Service Vulnerability in DRDA (CVE-2012-2180).
• BID-53873: IBM DB2 Multiple Security Vulnerabilities
• CVE-2012-2180: The chaining functionality in the Distributed Relational Database Architecture (DRDA) module in IBM DB2 9.7 before FP6 and 9.8 before FP5 allows remote attackers to cause a denial of service (NULL pointer dereference, and resource consumption or daemon crash) via a crafted request.
• OSVDB ID: 82756: IBM DB2 Distributed Relational Database Architecture (DRDA) Request Parsing Trap Remote DoS

Platforms Affected:

• IBM DB2 Universal Database 9.7
• IBM DB2 Universal Database 9.8

Reported:

Jan 06, 2012

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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