Unrated severityNVD Advisory· Published Aug 14, 2007· Updated Jun 16, 2026
CVE-2007-4323
CVE-2007-4323
Description
DenyHosts 2.6 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 client protocol version identification containing an IP address string, a different vector than CVE-2006-6301.
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Affected products
2Patches
Vulnerability mechanics
References
8- bugs.gentoo.org/show_bug.cginvd
- osvdb.org/42482nvd
- secunia.com/advisories/27254nvd
- security.gentoo.org/glsa/glsa-200710-14.xmlnvd
- www.ossec.net/en/attacking-loganalysis.htmlnvd
- www.securityfocus.com/bid/26061nvd
- bugzilla.redhat.com/bugzilla/show_bug.cginvd
- exchange.xforce.ibmcloud.com/vulnerabilities/37199nvd
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