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Sid 1-31180

Message

SERVER-OTHER OpenSSL DTLS handshake recursion denial of service attempt

Summary

The dtls1getmessagefragment function in d1both.c in OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h allows remote attackers to cause a denial of service (recursion and client crash) via a DTLS hello message in an invalid DTLS handshake.

Impact

CVSS base score 4.3 CVSS impact score 2.9 CVSS exploitability score 8.6 confidentialityImpact NONE integrityImpact NONE availabilityImpact NONE

CVE-2014-0221:

CVSS base score 4.3

CVSS impact score 2.9

CVSS exploitability score 8.6

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Detailed information

CVE-2014-0221: The dtls1getmessagefragment function in d1both.c in OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h allows remote attackers to cause a denial of service (recursion and client crash) via a DTLS hello message in an invalid DTLS handshake.

Affected systems

  • openssl openssl 0.9.8
  • openssl openssl 0.9.8a
  • openssl openssl 0.9.8b
  • openssl openssl 0.9.8c
  • openssl openssl 0.9.8d
  • openssl openssl 0.9.8e
  • openssl openssl 0.9.8f
  • openssl openssl 0.9.8g
  • openssl openssl 0.9.8h
  • openssl openssl 0.9.8i
  • openssl openssl 0.9.8j
  • openssl openssl 0.9.8k
  • openssl openssl 0.9.8l
  • openssl openssl 0.9.8m
  • openssl openssl 0.9.8n
  • openssl openssl 0.9.8o
  • openssl openssl 0.9.8p
  • openssl openssl 0.9.8q
  • openssl openssl 0.9.8r
  • openssl openssl 0.9.8s
  • openssl openssl 0.9.8t
  • openssl openssl 0.9.8u
  • openssl openssl 0.9.8v
  • openssl openssl 0.9.8w
  • openssl openssl 0.9.8x
  • openssl openssl 0.9.8y
  • openssl openssl 1.0.0
  • openssl openssl 1.0.0a
  • openssl openssl 1.0.0b
  • openssl openssl 1.0.0c
  • openssl openssl 1.0.0d
  • openssl openssl 1.0.0e
  • openssl openssl 1.0.0f
  • openssl openssl 1.0.0g
  • openssl openssl 1.0.0h
  • openssl openssl 1.0.0i
  • openssl openssl 1.0.0j
  • openssl openssl 1.0.0k
  • openssl openssl 1.0.0l
  • openssl openssl 1.0.1
  • openssl openssl 1.0.1a
  • openssl openssl 1.0.1b
  • openssl openssl 1.0.1c
  • openssl openssl 1.0.1d
  • openssl openssl 1.0.1e
  • openssl openssl 1.0.1f
  • openssl openssl 1.0.1g
  • redhat storage 2.1
  • redhat enterprise_linux 5
  • redhat enterprise_linux 6
  • fedoraproject fedora *

Ease of attack

CVE-2014-0221:

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

False positives

None known

False negatives

None known

Corrective action

Contributors

  • Talos research team.
  • This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology.
  • For more information see nvd.

Additional References

  • www.openssl.org/news/secadv_20140605.txt