Vulnerability in Fail2ban
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 logging in via ssh with a login name containing certain strings with an IP address.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.018 (77.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: +0.000
Affected products
References
- security.gentoo.org/glsa/glsa-200702-05.xml (vendor-advisory)
- bugs.gentoo.org/show_bug.cgi
- secunia.com/advisories/23237 (Vendor Advisory, third-party-advisory)
- secunia.com/advisories/24184 (Vendor Advisory, third-party-advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/30739 (vdb-entry)
- www.securityfocus.com/bid/21469 (vdb-entry)
- www.vupen.com/english/advisories/2006/4877 (vdb-entry)