CVE-2006-6679

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2006-12-21 · updated 2026-06-16
Weakness: CWE-863

Description

Pedro Lineu Orso chetcpasswd before 2.4 relies on the X-Forwarded-For HTTP header when verifying a client's status on an IP address ACL, which allows remote attackers to gain unauthorized access by spoofing this header.

Affected products

Chetcpasswd Project Chetcpasswd: before 2.4 — fixed in 2.4

How to fix

Upgrade to a fixed version: Chetcpasswd Project Chetcpasswd 2.4. Check the vendor advisory for mitigations.

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=394454
http://marc.info/?l=bugtraq&m=116371297325564&w=2
http://secunia.com/advisories/22967
http://sourceforge.net/project/shownotes.php?group_id=68912&release_id=466649
http://www.osvdb.org/30544
http://www.securityfocus.com/bid/21102
https://exchange.xforce.ibmcloud.com/vulnerabilities/30451
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=394454
http://marc.info/?l=bugtraq&m=116371297325564&w=2
http://secunia.com/advisories/22967
http://sourceforge.net/project/shownotes.php?group_id=68912&release_id=466649
http://www.osvdb.org/30544

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