Quantum Secular Labs / Blog / Advisories

CVE-2002-0490: Instant Web Mail: Remote code execution

CVE-2002-0490 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Instant Web Mail. 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

Instant Web Mail before 0.60 does not properly filter CR/LF sequences, which allows remote attackers to (1) execute arbitrary POP commands via the id parameter in message.php, or (2) modify certain mail message headers via numerous parameters in write.php.

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

  • Instant Web Mail: 0.55; 0.56; 0.57; 0.58; 0.59

References