ICMP timestamp requests
| icmp-timestamp (322) |  Low Risk |
Description:
The target computer responded to an ICMP timestamp request. By accurately determining the target's clock state, an attacker can more effectively attack certain time-based pseudorandom number generators (PRNGs) and the authentication systems that rely on them.
Consequences:
Other
Remedy:
Configure your firewall or filtering router to block outgoing ICMP packets. Block ICMP packets of type 13 or 14 and/or code 0.
References:
- CVE-1999-0524: ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts.
Platforms Affected:
- Apple Mac OS
- Cisco IOS
- Compaq Tru64
- Data General DG/UX
- IBM AIX
- IBM OS2
- Linux Kernel
- Microsoft Windows 2000
- Microsoft Windows 2003 Server
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows 98SE
- Microsoft Windows Me
- Microsoft Windows NT 4.0
- Microsoft Windows XP
- Novell NetWare
- SCO SCO Unix
- SGI IRIX
- Sun Solaris
- WindRiver BSDOS
- HP-UX
Reported:
Not available
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