Oracle Database Server TNS Listener service_register_NSGR denial of service
| oracle-tnslsnr-nsgr-dos (18664) |  Low Risk |
Description:
Oracle10g Database Server is vulnerable to a denial of service attack, caused by a vulnerability in the Transparent Network Substrate (TNS) Listener, which handles all remote client connection requests for Oracle services. By sending a specially-crafted service_register_NSGR request, a remote attacker could cause the Listener to crash.
Platforms Affected:
- Oracle, Database Server 10.1.0.2
Remedy:
Apply the appropriate patch for your system, available from the Oracle Security Alert #68. See References.
Consequences:
Denial of Service
References:
- BugTraq Mailing List, Thu Dec 23 2004 - 10:36:09 CST, Oracle TNS Listener DoS (#NISR2122004F) at http://archives.neohapsis.com/archives/bugtraq/2004-12/0357.html.
- Oracle Security Alert #68, This security alert addresses security vulnerabilities in Oracle¿s server products. at http://www.oracle.com/technology/deploy/security/pdf/2004alert68.pdf.
- BID-10871: Oracle Multiple Unspecified Vulnerabilities
- CVE-2004-1369: The TNS Listener in Oracle 10g allows remote attackers to cause a denial of service (listener crash) via a malformed service_register_NSGR request containing a value that is used as an invalid offset for a pointer that references incorrect memory.
- US-CERT VU#316206: Oracle Database Server contains several vulnerabilities
Reported:
Dec 25, 2004
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