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CVE-2002-2227: Rtfm Ssldump: Memory corruption

CVE-2002-2227 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Rtfm Ssldump. 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 underflow in ssldump 0.9b2 and earlier allows remote attackers to cause a denial of service (memory corruption) via a crafted SSLv2 challenge value.

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-787: Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Affected products

• Rtfm Ssldump: up to and including 0.9b2

References

• http://www.rtfm.com/ssldump/
• http://www.securityfocus.com/archive/1/291329
• http://www.securityfocus.com/bid/5693
• https://exchange.xforce.ibmcloud.com/vulnerabilities/10087