Oracle9i Database Server SQL*NET Listener debug denial of service
| oracle-listener-debug-dos (9237) |  Medium Risk |
Description:
Oracle9i Database Server is vulnerable to a denial of service attack. A remote attacker could send a specially-crafted SQL debug request to the Oracle9i SQL*NET Listener to cause the listener to crash. The SQL*NET Listener must be restarted to regain normal functionality.
Platforms Affected:
- Oracle, Database Server 9.0.1.2 R1
- Oracle, Database Server 9.0.1.3 R1
- Oracle, Database Server 9.0.1.4 R1
- Oracle, Database Server 9.2.0.1 R2
- Oracle, Database Server 9.2.0.2 R2
Remedy:
Apply the patch for this vulnerability, available to registered customers from the Oracle Metalink Web site by referencing bug number 2467947. See References.
Consequences:
Denial of Service
References:
- Internet Security Systems Security Advisory, August, 13, 2002, Remote Denial of Service Vulnerability in Oracle9i SQL*NET at http://www.iss.net/threats/advise127.html.
- Oracle Metalink Web site, OracleMetaLink at http://metalink.oracle.com/.
- Oracle Security Alert #38, Oracle Net Denial of Service Security VulnerabilityAlert at http://otn.oracle.com/deploy/security/pdf/2002alert38rev1.pdf.
- BID-5457: Oracle Listener Malformed Debugging Command Denial Of Service Vulnerability
- CVE-2002-0856: SQL*NET listener for Oracle Net Oracle9i 9.0.x and 9.2 allows remote attackers to cause a denial of service (crash) via certain debug requests that are not properly handled by the debugging feature.
Reported:
Aug 13, 2002
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