OpenSSL ASN.1 inputs SSL client certificate denial of service

openssl-asn1-sslclient-dos (43041) The risk level is classified as LowLow Risk

Description:

OpenSSL is vulnerable to a denial of service caused by an integer overflow error when handling certain ASN.1 inputs. A remote attacker could exploit this vulnerability using a specially-crafted SSL client certificate to crash the application.

Platforms Affected:

  • OpenSSL, OpenSSL 0.9.6
  • OpenSSL, OpenSSL 0.9.7
  • SuSE, SuSE eMail Server III
  • SuSE, SuSE Linux 7.2
  • SuSE, SuSE Linux 7.3
  • SuSE, SuSE Linux 8.0
  • SuSE, SuSE Linux 8.1
  • SuSE, SuSE Linux 8.2
  • SuSE, SuSE Linux 9.0
  • SuSE, SuSE Linux Connectivity Server
  • SuSE, SuSE Linux Database Server
  • SuSE, SuSE Linux Enterprise Server 7.0
  • SuSE, SuSE Linux Office Server

Remedy:

Refer to OpenPKG-SA-2003.044 for patch, upgrade or suggested workaround information. See References.

For other distributions:
Apply the appropriate update for your system. See References.

Consequences:

Denial of Service

References:

Reported:

Sep 23, 2003

The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

For corrections or additions please email xforce@iss.net

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