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CVE-2002-1689: IBM AIX: Buffer overflow

CVE-2002-1689 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects IBM AIX. 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

Unknown vulnerability in the login program on AIX before 4.0 could allow remote users to specify 100 or more environment variables when logging on, which exceeds the length of a certain string, possibly triggering a 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.

Affected products

  • IBM AIX: 3.2.5

References