CVEvulnerability
CVE-2006-6302
5.0 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2006-12-06
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Description
fail2ban 0.7.4 and earlier does not properly parse sshd log files, which allows remote attackers to add arbitrary hosts to the /etc/hosts.deny file and cause a denial of service by adding arbitrary IP addresses to the sshd log file, as demonstrated by logging in via ssh with a login name containing certain strings with an IP address.
Affected configurations
• fail2ban fail2ban (<= 0.7.4)
References
- http://bugs.gentoo.org/show_bug.cgi?id=157166 bugs.gentoo.org
- http://secunia.com/advisories/23237 Vendor Advisory
- http://secunia.com/advisories/24184 Vendor Advisory
- http://security.gentoo.org/glsa/glsa-200702-05.xml security.gentoo.org
- http://www.securityfocus.com/bid/21469 www.securityfocus.com
- http://www.vupen.com/english/advisories/2006/4877 www.vupen.com
- https://exchange.xforce.ibmcloud.com/vulnerabilities/30739 exchange.xforce.ibmcloud.com
- http://bugs.gentoo.org/show_bug.cgi?id=157166 bugs.gentoo.org
- http://secunia.com/advisories/23237 Vendor Advisory
- http://secunia.com/advisories/24184 Vendor Advisory
- http://security.gentoo.org/glsa/glsa-200702-05.xml security.gentoo.org
- http://www.securityfocus.com/bid/21469 www.securityfocus.com
- http://www.vupen.com/english/advisories/2006/4877 www.vupen.com
- https://exchange.xforce.ibmcloud.com/vulnerabilities/30739 exchange.xforce.ibmcloud.com