CVE-2006-6302
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…
Does this matter?
Lower severity and a low EPSS score (1.77%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 1.77% probability · 77th percentile
- CISA KEV
- Not listed
- Affected
- fail2ban/fail2ban
- Source
- cve@mitre.org
References
- http://bugs.gentoo.org/show_bug.cgi?id=157166
- http://secunia.com/advisories/23237Vendor Advisory
- http://secunia.com/advisories/24184Vendor Advisory
- http://security.gentoo.org/glsa/glsa-200702-05.xml
- http://www.securityfocus.com/bid/21469
- http://www.vupen.com/english/advisories/2006/4877
- https://exchange.xforce.ibmcloud.com/vulnerabilities/30739
- http://bugs.gentoo.org/show_bug.cgi?id=157166
- http://secunia.com/advisories/23237Vendor Advisory
- http://secunia.com/advisories/24184Vendor Advisory
- http://security.gentoo.org/glsa/glsa-200702-05.xml
- http://www.securityfocus.com/bid/21469
- http://www.vupen.com/english/advisories/2006/4877
- https://exchange.xforce.ibmcloud.com/vulnerabilities/30739
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.