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Secunia Security Advisory 17450

Secunia Security Advisory 17450
Posted Nov 9, 2005
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Debasis Mohanty has discovered a weakness in various ZoneAlarm products, which can be exploited to bypass security features provided by the product. The weakness is caused due to the Program Control feature failing to correctly identify and stop processes that use the Internet Explorer browser to make outgoing connections via the ShowHTMLDialog() API in MSHTML.DLL. This may be exploited by malware to send potentially sensitive information out from an affected system. The weakness has been confirmed in ZoneAlarm Pro 6.0.667 and reported in the following products: * ZoneAlarm Pro 6.0.x * ZoneAlarm Internet Security Suite 6.0.x * ZoneAlarm Anti-Spyware with Firewall 6.1.x * ZoneAlarm Antivirus with Firewall 6.0.x Note: The free version of ZoneAlarm Firewall does not support the Advanced Program Control feature, and hence, does not prevent such bypass techniques. Secunia does not normally regard this kind of security bypass in personal firewalls as a vulnerability. However, Secunia has decided to write about this particular issue because Zone Labs is marketing the product as being able to stop this kind of attack via the Advanced Program Control functionality.

tags | advisory
SHA-256 | 546b56fdbf38ff4279c5de2b1c282c262cb1e34e1788819118f8f5d1061af1b3

Secunia Security Advisory 17450

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TITLE:
ZoneAlarm Personal Firewall Program Control Feature Bypass

SECUNIA ADVISORY ID:
SA17450

VERIFY ADVISORY:
http://secunia.com/advisories/17450/

CRITICAL:
Not critical

IMPACT:
Security Bypass

WHERE:
Local system

SOFTWARE:
ZoneAlarm Anti-Spyware 6.x
http://secunia.com/product/6073/
ZoneAlarm Antivirus 6.x
http://secunia.com/product/6074/
ZoneAlarm Internet Security Suite 6.x
http://secunia.com/product/6072/
ZoneAlarm Pro 6.x
http://secunia.com/product/6071/

DESCRIPTION:
Debasis Mohanty has discovered a weakness in various ZoneAlarm
products, which can be exploited to bypass security features provided
by the product.

The weakness is caused due to the Program Control feature failing to
correctly identify and stop processes that use the Internet Explorer
browser to make outgoing connections via the "ShowHTMLDialog()" API
in MSHTML.DLL. This may be exploited by malware to send potentially
sensitive information out from an affected system.

The weakness has been confirmed in ZoneAlarm Pro 6.0.667 and reported
in the following products:
* ZoneAlarm Pro 6.0.x
* ZoneAlarm Internet Security Suite 6.0.x
* ZoneAlarm Anti-Spyware with Firewall 6.1.x
* ZoneAlarm Antivirus with Firewall 6.0.x

Note: The free version of ZoneAlarm Firewall does not support the
"Advanced Program Control" feature, and hence, does not prevent such
bypass techniques.

Secunia does not normally regard this kind of security bypass in
personal firewalls as a vulnerability. However, Secunia has decided
to write about this particular issue because Zone Labs is marketing
the product as being able to stop this kind of attack via the
"Advanced Program Control" functionality.

SOLUTION:
Do not run untrusted programs.

PROVIDED AND/OR DISCOVERED BY:
Debasis Mohanty

ORIGINAL ADVISORY:
http://www.hackingspirits.com/vuln-rnd/vuln-rnd.html

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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