National Cyber-Alert System
Vulnerability Summary for CVE-1999-0524
Original release date:08/01/1997
Last revised:09/09/2008
Source:
US-CERT/NIST
Overview
ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
0.0
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Unknown
Official Statement from Red Hat (01/05/2010)
Red Hat Enterprise Linux is configured by default to respond to all ICMP requests. Users may configure the firewall to prevent a system from responding to certain ICMP requests.
References to Advisories, Solutions, and Tools
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External Source: XF
Name: icmp-timestamp(322)
External Source: XF
Name: icmp-netmask(306)
External Source: OSVDB
Name: 95
External Source: MISC
Name: http://kb.vmware.com/selfservice/microsites/search.do?cmd=displayKC&externalId=1434
External Source: MISC
Name: http://descriptions.securescout.com/tc/11011
External Source: MISC
Name: http://descriptions.securescout.com/tc/11010
