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CVE-2000-0638: Sean Macguire Big Brother: Path traversal

CVE-2000-0638 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Sean Macguire Big Brother. 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

bb-hostsvc.sh in Big Brother 1.4h1 and earlier allows remote attackers to read arbitrary files via a .. (dot dot) attack on the HOSTSVC parameter.

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

• Sean Macguire Big Brother: 1.0; 1.1; 1.2; 1.3; 1.3b; 1.4; 1.4g; 1.4h; 1.4h1; 1.09b; 1.09c; 1.09d

References

• http://archives.neohapsis.com/archives/bugtraq/2000-07/0146.html
• http://archives.neohapsis.com/archives/bugtraq/2000-07/0147.html
• http://bb4.com/README.CHANGES
• http://www.securityfocus.com/bid/1455
• https://exchange.xforce.ibmcloud.com/vulnerabilities/4879