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TITLE:
Linksys WVC54GC Information Disclosure and ActiveX Control Buffer
Overflow

SECUNIA ADVISORY ID:
SA33032

VERIFY ADVISORY:
http://secunia.com/advisories/33032/

CRITICAL:
Highly critical

IMPACT:
Exposure of system information, Exposure of sensitive information,
System access

WHERE:
>From remote

OPERATING SYSTEM:
Linksys WVC54GC
http://secunia.com/advisories/product/20682/

DESCRIPTION:
A security issue and a vulnerability have been reported in Linksys
WVC54GC, which can be exploited by malicious people to disclose
system and sensitive information and to compromise a user's system.

1) A security issue is caused due to the device sending certain
information (e.g. login credentials and wireless network connection
information, including WEP and WPA keys) in plain text after
receiving a certain packet on port 916/UDP. This can be exploited to
gain access to sensitive information by sending a specially crafted
packet to a vulnerable device.

2) A vulnerability is caused due to a boundary error in the
"SetSource()" method of the NetCamPlayerWeb11gv2 ActiveX control
(NetCamPlayerWeb11gv2.ocx). This can be exploited to cause a
stack-based buffer overflow by e.g. tricking a user into visiting a
malicious website.

The security issue and the vulnerability are reported in versions
prior to 1.25.

SOLUTION:
Update to version 1.25.

PROVIDED AND/OR DISCOVERED BY:
US-CERT credits Greg Linares, eEye.

ORIGINAL ADVISORY:
US-CERT VU#528993:
http://www.kb.cert.org/vuls/id/528993

US-CERT VU#639345:
http://www.kb.cert.org/vuls/id/639345

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