Secunia Security Advisory - A vulnerability has been reported in 3Com IntelliJack Switch NJ220, which potentially can be exploited by malicious people to cause a DoS (Denial of Service).
0854cc083f2c17fa21cafa51e2255186b75ee8b5b2fd6387e654aae9cda18ea6
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TITLE:
3Com IntelliJack Switch NJ220 Loopback Packet Processing Denial of
Service
SECUNIA ADVISORY ID:
SA25883
VERIFY ADVISORY:
http://secunia.com/advisories/25883/
CRITICAL:
Less critical
IMPACT:
DoS
WHERE:
>From remote
OPERATING SYSTEM:
3Com IntelliJack Switch NJ220 (3CNJ220) 2.x
http://secunia.com/product/14678/
DESCRIPTION:
A vulnerability has been reported in 3Com IntelliJack Switch NJ220,
which potentially can be exploited by malicious people to cause a DoS
(Denial of Service).
The vulnerability is caused due to an error when NJ220 processes
loopback packets with a length field of zero. This can be exploited
to cause NJ220 to restart and stop sending event packets to the
Central Configuration Manager utility via a specially crafted
loopback packet.
The vulnerability is reported in versions prior to 2.0.23.
SOLUTION:
Update to version 2.0.23.
PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.
ORIGINAL ADVISORY:
http://support.3com.com/infodeli/tools/nj/nj220_02_00_23_readme.pdf
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