HTTP: Squid Proxy TRACE Request Remote Denial of Service
This signature detects attempts to exploit a known vulnerability against the Squid proxy server. Attackers can send a specially crafted "TRACE" request that can cause the process to restart.
Extended Description
Squid is prone to a remote denial-of-service vulnerability because the proxy server fails to handle certain TRACE requests. Successfully exploiting this issue allows remote attackers to crash the affected application, denying futher service to legitimate users. This issue affects version 2.6.
Affected Products
Turbolinux appliance_server
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Red_hat
Gentoo
Squid
Turbolinux
Ubuntu
Mandriva
5.0