Title: Cisco IOS Syslog Crash
Severity: MODERATE
Description:
Cisco devices running classic IOS are reported prone to a denial of service vulnerability. The issue occurs when a vulnerable device receives and processes a UDP packet on UDP port 514 for syslog. This issue results in a crash or hang requiring a reboot.
Vulnerable IOS software may be found on the following Cisco devices:
- Cisco routers in the AGS/MGS/CGS/AGS+, IGS, RSM, 8xx, ubr9xx, 1xxx, 25xx, 26xx, 30xx, 36xx, 38xx, 40xx, 45xx, 47xx, AS52xx, AS53xx, AS58xx, 64xx, 70xx, 72xx (including the ubr72xx), 75xx, and 12xxx series.
-Recent versions of LS1010 ATM switch.
-Catalyst 2900XL LAN switch.
-Cisco DitributedDirector.
Affected Products:
- Cisco IOS 11.3AA
- Cisco IOS 11.3DB
- Cisco IOS 12.0
- Cisco IOS 12.0.1W
- Cisco IOS 12.0.1XA3
- Cisco IOS 12.0.1XB
- Cisco IOS 12.0.1XE
- Cisco IOS 12.0.2XC
- Cisco IOS 12.0.2XD
- Cisco IOS 12.0DB
- Cisco IOS 12.0S
- Cisco IOS 12.0T
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