CVE-2003-1132

Severity

50%

Complexity

99%

Confidentiality

48%

The DNS server for Cisco Content Service Switch (CSS) 11000 and 11500, when prompted for a nonexistent AAAA record, responds with response code 3 (NXDOMAIN or "Name Error") instead of response code 0 ("No Error"), which allows remote attackers to cause a denial of service (inaccessible domain) by forcing other DNS servers to send and cache a request for a AAAA record to the vulnerable server.

The DNS server for Cisco Content Service Switch (CSS) 11000 and 11500, when prompted for a nonexistent AAAA record, responds with response code 3 (NXDOMAIN or "Name Error") instead of response code 0 ("No Error"), which allows remote attackers to cause a denial of service (inaccessible domain) by forcing other DNS servers to send and cache a request for a AAAA record to the vulnerable server.

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P).

Overview

Type

Cisco Content Service

First reported 21 years ago

2003-12-31 05:00:00

Last updated 16 years ago

2008-09-05 20:36:00

Affected Software

Cisco Content Service 11000

Cisco Content Service Switch 11500

References

20041008 Cisco Content Service Switch 11000 Series DNS Negative Cache of Information Denial-of-Service Vulnerability

Vendor Advisory

VU#714121

US Government Resource

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