22036 : BZFlag NULL Byte callsign Handling Remote DoS
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Info

Last Modified

6 months ago

Percent Complete

100%

Disclosure

Dec 25, 2005

Discovery

Unknown

Dates

Exploit

Dec 25, 2005

Solution

Unknown

Description

BZFlag contains a flaw that may allow a remote denial of service. The issue is triggered when the BZFlag server process is sent a callsign message which is not NULL-terminated, and will result in loss of availability of the service.

Classification

Location: Remote/Network Access Required
Attack Type: Denial of Service
Impact: Loss of Availability
Exploit: Exploit Available
Disclosure: OSVDB Verified

Solution

Upgrade to the latest version available from CVS from end of October 2005 or later, as it has been reported to fix this vulnerability. Note that this flaw was fixed in the CVS tree without a change in version number. An upgrade is required as there are no known workarounds.

Products

BZFlag	BZFlag	2.0
		2.0.2
		2.0.4

References

Bugtraq ID: 16066
Generic Exploit URL: http://aluigi.altervista.org/poc/bzflagboom.zip
Other Advisory URL: http://aluigi.altervista.org/adv/bzflagboom-adv.txt
http://www.securiteam.com/securitynews/6I00R2AEVS.html
Secunia Advisory ID: 18238
CVE ID: 2005-4584 (see also: NVD)
Security Tracker: 1015418
Vendor URL: http://www.bzflag.org/

Credit

Luigi Auriemma - aluigiautistici.org - http://aluigi.altervista.org

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