4831 : WatchGuard FireBox Vclass/RSSA Login Input Validation
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Info

Last Modified
7 months ago

Percent Complete
100%

Disclosure
Sep 27, 2002

Discovery
Aug 22, 2002

Dates

Exploit
Unknown

Solution
Unknown

Description

 Watchguard's Firebox and legacy RSSA appliances contain a flaw that may allow a malicious user to avoid being logged out on authentication failure. The issue is triggered due to improper validation on the login process. It is possible that the flaw may allow a remote attacker to obtain administrative privileges on the appliance, resulting in a loss of integrity.

Classification

 Location: Remote/Network Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Rumored / Private
Disclosure: OSVDB Verified

Technical

 The CLI doesn't properly check for system signals when validating user credentials, allowing an attacker to inject a stream of SIGKILL's wich would avoid the user from beeing logged out after the CLI authentication fails. A sucessfull attack would drop the attacker into a root shell.

Solution

 Currently, there are no known workarounds or upgrades to correct this issue. However, Watchguard has released RS-302-HotFix-31 for 3.02 SP2a and Hotfix 2 for 3.2 SP1 to address this vulnerability.

Products
WatchGuard Technologies, Inc.
Watch-list
Firebox
Watch-list
 V10
V100
V60
V80
RapidStream
Watch-list
 1000
2000
4000
500
6000
8000

References

Credit
  • Joao Gouveia - tharbadBrand New Doo Dookaotik.org - Personal Page

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