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CVE-2007-0063: VMware Ace: Buffer overflow

CVE-2007-0063 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects VMware Ace, along with 2 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

Integer underflow in the DHCP server in EMC VMware Workstation before 5.5.5 Build 56455 and 6.x before 6.0.1 Build 55017, Player before 1.0.5 Build 56455 and Player 2 before 2.0.1 Build 55017, ACE before 1.0.3 Build 54075 and ACE 2 before 2.0.1 Build 55017, and Server before 1.0.4 Build 56528 allows remote attackers to execute arbitrary code via a malformed DHCP packet that triggers a stack-based buffer overflow.

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.

Underlying weakness

CWE-191: Integer Underflow (Wrap or Wraparound)

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

Affected products

VMware Ace: from 1.0 before 1.0.3; from 2.0 before 2.0.1
VMware Player: from 1.0 before 1.0.5; from 2.0 before 2.0.1
VMware Server: from 1.0 before 1.0.4
VMware Workstation: from 5.5 before 5.5.5; from 6.0 before 6.0.1
VMware Esx: 2.0.2; 2.1.3; 2.5.3; 2.5.4; 3.0.0; 3.0.1
Canonical Ubuntu Linux: 6.06; 6.10; 7.04