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MDKSA-2004:061: dhcp

Vulnerability Assessment Summary Check for the version of the dhcp package Detailed Explanation for this Vulnerability Assessment The remote host is missing the patch for the advisory MDKSA-2004:061 (dhcp). A vulnerability in how ISC's DHCPD handles syslog messages can permit a malicious attacker with the ability to send special packets to the DHCPD listening port to crash the daemon, causing a Denial of Service. It is also possible that they may be able to execute arbitrary code on the vulnerable server with the permissions of the user running DHCPD, which is usually root. A similar vulnerability also exists in the way ISC's DHCPD makes use of the vsnprintf() function on system that do not support vsnprintf(). This vulnerability could also be used to execute arbitrary code and/or perform a DoS attack. The vsnprintf() statements that have this problem are defined after the vulnerable code noted above, which would trigger the previous problem rather than this one. Thanks to Gregory Duchemin and Solar Designer for discovering these flaws. The updated packages contain 3.0.1rc14 which is not vulnerable to these problems. Only ISC DHCPD 3.0.1rc12 and 3.0.1rc13 are vulnerable to these issues. Solution : http://wwwnew.mandriva.com/security/advisories?name=MDKSA-2004:061 Network Security Threat Level: High Networks Security ID: 10591 Vulnerability Assessment Copyright: This script is Copyright (C) 2004 Tenable Network Security

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