Title: Solaris TCP Implementation SYN Flood Remote DoS
Info
Disclosure
May 06, 2008
Discovery
Unknown
Dates
Exploit
Unknown
Solution
Unknown
Description
Sun Solaris contains a flaw that may allow a remote denial of service. The issue is triggered when a hosts 'tcp_conn_req_max_q0' tunable setting is set higher than 1024 and the host is undergoing a SYN flood attack, and will result in loss of availability for the platform.
Classification
Location:
Remote/Network Access Required
Attack Type:
Denial of Service
Impact:
Loss of Availability
Solution:
Workaround,
Patch
Exploit:
Exploit Unknown
Disclosure:
Vendor Verified
Solution
Sun Microsystems has released a patch to address this issue. Additionally, it is possible to correct the flaw by implementing the following workaround(s):
ndd -set /dev/tcp tcp_conn_req_max_q0 1024