Critical

CVE-2004-0220 - Buffer Errors vulnerability in Openbsd 3.4

Publication: 2004-05-04
Summary

isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service via an ISAKMP packet with a malformed Cert Request payload, which causes an integer underflow that is used in a malloc operation that is not properly handled, as demonstrated by the Striker ISAKMP Protocol Test Suite.

Classification
CWE-119: Buffer Errors

Risk level (CVSS 10)

Critical

10.0

Access Vector

  • Network
  • Adjacent Network
  • Local

Access Complexity

  • Low
  • Medium
  • High

Authentication

  • None
  • Single
  • Multiple

Confident. Impact

  • Complete
  • Partial
  • None

Integrity Impact

  • Complete
  • Partial
  • None

Affected Products

  • Openbsd Openbsd 3.4