Quantum Secular Labs / Blog / Advisories

CVE-2004-0460: Isc Dhcpd: Buffer overflow

CVE-2004-0460 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Isc Dhcpd, along with 10 other products in NVD’s configuration data. Per its scoring, it can be exploited over the network, without authentication. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

Buffer overflow in the logging capability for the DHCP daemon (DHCPD) for ISC DHCP 3.0.1rc12 and 3.0.1rc13 allows remote attackers to cause a denial of service (server crash) and possibly execute arbitrary code via multiple hostname options in (1) DISCOVER, (2) OFFER, (3) REQUEST, (4) ACK, or (5) NAK messages, which can generate a long string when writing to a log file.

Severity breakdown

CVSS v2.0 10.0: AV:N/AC:L/Au:N/C:C/I:C/A:C

  • Access vector: Network. Exploitable remotely over the network.
  • Access complexity: Low. No special conditions are required.
  • Authentication: None. No authentication is needed.
  • Confidentiality impact: Complete. Total information disclosure.
  • Integrity impact: Complete. Total loss of integrity.
  • Availability impact: Complete. Total shutdown of the component.

Affected products

  • Isc Dhcpd: 3.0.1 rc12; 3.0.1 rc13
  • Infoblox DNS One Appliance: 2.3.1_r5; 2.4.0.8; 2.4.0.8a
  • Suse Email Server: iii
  • Suse Linux Admin Cd For Firewall: all versions listed by NVD
  • Suse Linux Connectivity Server: all versions listed by NVD
  • Suse Linux Database Server: all versions listed by NVD
  • Suse Linux Firewall Cd: all versions listed by NVD
  • Suse Linux Office Server: all versions listed by NVD
  • Mandrakesoft Mandrake Linux: 9.0; 9.1; 9.2; 10.0
  • Red Hat Fedora Core: core_2.0
  • Suse Linux: 7; 8; 8.0; 8.1; 8.2; 9.0; 9.1

References