CVE-2005-3058

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2005-12-31 · updated 2026-06-16
Weakness: CWE-264

Description

Interpretation conflict in Fortinet FortiGate 2.8, running FortiOS 2.8MR10 and v3beta, allows remote attackers to bypass the URL blocker via an (1) HTTP request terminated with a line feed (LF) and not carriage return line feed (CRLF) or (2) HTTP request with no Host field, which is still processed by most web servers without violating RFC2616.

Affected products

Fortinet FortiGate: 2.8
Fortinet FortiOS (FortiGate): through 2.8_mr10; through 3_beta

References

http://lists.grok.org.uk/pipermail/full-disclosure/2006-February/042140.html
http://secunia.com/advisories/18844
http://www.fortiguard.com/advisory/FGA-2006-10.html
http://www.securityfocus.com/archive/1/424858/100/0/threaded
http://www.securityfocus.com/bid/16599
http://www.vupen.com/english/advisories/2006/0539
https://exchange.xforce.ibmcloud.com/vulnerabilities/24626
http://lists.grok.org.uk/pipermail/full-disclosure/2006-February/042140.html
http://secunia.com/advisories/18844
http://www.fortiguard.com/advisory/FGA-2006-10.html
http://www.securityfocus.com/archive/1/424858/100/0/threaded
http://www.securityfocus.com/bid/16599

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