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TITLE:
FirePass URL Restriction Bypass Vulnerabilities
SECUNIA ADVISORY ID:
SA23640
VERIFY ADVISORY:
http://secunia.com/advisories/23640/
CRITICAL:
Moderately critical
IMPACT:
Security Bypass
WHERE:
>From remote
OPERATING SYSTEM:
FirePass 5.x
http://secunia.com/product/4695/
DESCRIPTION:
Michael Ligh and Greg Sinclair have reported some vulnerabilities in
FirePass, which can be exploited by malicious users and malicious
people to bypass certain security restrictions.
1) An error exists in the host access restrictions, which can be
exploited to access restricted hosts by converting the destination IP
address to a decimal-encoded format and sending the resulting URL via
the FirePass URL encoding mechanism.
Successful exploitation requires valid authentication.
The vulnerability is reported in versions 5.4 through 5.5.1.
2) It is possible to bypass filters and access restricted URLs by
using capital letters in the domain.
The vulnerability is reported in versions 5.4 through 5.5.2.
SOLUTION:
Hotfixes are reportedly available via the technical support or via
the vendor's download page.
PROVIDED AND/OR DISCOVERED BY:
Michael Ligh and Greg Sinclair
ORIGINAL ADVISORY:
http://lists.grok.org.uk/pipermail/full-disclosure/2007-January/051651.html
F5:
https://tech.f5.com/home/solutions/sol6916.html
https://tech.f5.com/home/solutions/sol6922.html
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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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