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SEC Consult Security Advisory < 20090525-4 >
SonicOS Enhanced (SonicOSe) is the latest version of SonicWALL's powerful SonicOS operating system, designed for the next generation of SonicWALL firewall/VPN appliances.
A format string vulnerability exists in the logfile parsing function of SonicOS. An attacker could crash the system or execute arbitrary code by injecting format string metacharacters into the logfile, if an administrator subsequently uses the SonicOS GUI to view the log.
Proof of concept:
There are multiple ways to inject format string characters into the logs. The following methods can be used to test for the vulnerability:
SEC Consult will not release code execution exploits for this vulnerability to the public.
Vendor contact timeline:
2006: Vulnerability found 2006.10.25: Vulnerability first reported to vendor 2009.02.17: Vulnerability reported to vendor again 2009.03.16: Request for status update 2009.04.21: Request for status update 2009.05.25: Public Release
SEC Consult was not able to get any vendor feedback on this issue. We are currently not aware of a patch or workaround. -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SEC Consult Unternehmensberatung GmbH Office Vienna Mooslackengasse 17 A-1190 Vienna Austria Tel.: +43 / 1 / 890 30 43 - 0 Fax.: +43 / 1 / 890 30 43 - 25 Mail: research at sec-consult dot com www.sec-consult.com EOF SEC Consult Vulnerability Lab / @2009 _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/