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securityvulnsSecurityvulnsSECURITYVULNS:DOC:15702
HistoryJan 12, 2007 - 12:00 a.m.

[SA23640] FirePass URL Restriction Bypass Vulnerabilities

2007-01-1200:00:00
vulners.com
25

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


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/

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