SpearHead NetGAP allows user to bypass filter using Unicode
| netgap-unicode-bypass-filter (6625) |  Medium Risk |
Description:
SpearHead NetGAP could allow an attacker to bypass the filtering engine. An attacker can replace characters with Unicode representation in a URL request to bypass the NetGap filtering engine and download any file on the system.
Platforms Affected:
- SpearHead, NetGAP 200
- SpearHead, NetGAP 300
Remedy:
Upgrade to Build 78 of the NetGAP software, as listed in SpearHead Security Advisory 06-01-0001. See References.
Consequences:
Bypass Security
References:
- eDvice Security Alert, Monday 28 May 2001, Vulnerability discovered in SpearHead NetGap at http://www.edvicetech.com/vul23.htm.
- SpearHead Security Advisory 06-01-0001, SpearHead Security NetGAP at http://archives.neohapsis.com/archives/bugtraq/2001-06/0047.html.
- BID-2798: NetGap Escaped And Encoded URL Filtering Bypass Vulneribility
- CVE-2001-0530: Spearhead NetGAP 200 and 300 before build 78 allow a remote attacker to bypass file blocking and content inspection via specially encoded URLs which include '%' characters.
Reported:
May 28, 2001
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net