OpenSSL unknown TLS message types denial of service

openssl-tls-dos (15509) The risk level is classified as MediumMedium Risk

Description:

OpenSSL is vulnerable to a denial of service, caused by improper handling of unknown TLS message types. A remote attacker could exploit this vulnerability to cause OpenSSL to enter an infinite loop.

Note: Any application that uses the OpenSSL's SSL/TLS library may be vulnerable.


Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of OpenSSL (0.9.7d or 0.9.6m), as listed in OpenSSL Security Advisory [17 March 2004]. See References.

Recompile applications that are statically linked to OpenSSL libraries.

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

References:

Platforms Affected:

  • Conectiva Linux 8.0
  • Conectiva Linux 9.0
  • Debian Debian Linux 3.0
  • EngardeLinux Secure Community 1.0.1
  • EngardeLinux Secure Community 2.0
  • EngardeLinux Secure Professional 1.1
  • EngardeLinux Secure Professional 1.2
  • EngardeLinux Secure Professional 1.5
  • Gentoo Linux
  • OpenSSL OpenSSL 0.9.6c
  • OpenSSL OpenSSL 0.9.6d
  • OpenSSL OpenSSL 0.9.6e
  • OpenSSL OpenSSL 0.9.6f
  • OpenSSL OpenSSL 0.9.6g
  • OpenSSL OpenSSL 0.9.6h
  • OpenSSL OpenSSL 0.9.6i
  • OpenSSL OpenSSL 0.9.6j
  • OpenSSL OpenSSL 0.9.6k
  • OpenSSL OpenSSL 0.9.6l
  • OpenSSL OpenSSL 0.9.7a
  • OpenSSL OpenSSL 0.9.7b
  • OpenSSL OpenSSL 0.9.7c
  • RedHat Enterprise Linux 2.1 WS
  • RedHat Enterprise Linux 2.1 AS
  • RedHat Enterprise Linux 2.1 ES
  • RedHat Enterprise Linux 3 WS
  • RedHat Enterprise Linux 3 AS
  • RedHat Enterprise Linux 3 ES
  • RedHat Enterprise Linux 3 Desktop
  • RedHat Linux 9.0
  • RedHat Linux Advanced Workstation 2.1 Itanium
  • SCO SCO OpenServer 5.0.6
  • SCO SCO OpenServer 5.0.7
  • SCO SCO UnixWare 7.1.1
  • SCO SCO UnixWare 7.1.3
  • Sun Solaris 8
  • Sun Solaris 9
  • Trustix Secure Linux 1.5
  • Trustix Secure Linux 2.0
  • Trustix Secure Linux 2.1
  • Turbolinux Turbolinux 10 Desktop
  • Turbolinux Turbolinux 7 Server
  • Turbolinux Turbolinux 7 Workstation
  • Turbolinux Turbolinux 8 Server
  • Turbolinux Turbolinux 8 Workstation
  • Turbolinux Turbolinux Advanced Server 6
  • Turbolinux Turbolinux Appliance Server 1.0 Hosting Ed
  • Turbolinux Turbolinux Appliance Server 1.0 Workgroup Ed
  • Turbolinux Turbolinux Server 6.1
  • Turbolinux Turbolinux Server 6.5
  • Turbolinux Turbolinux Workstation 6.0

Reported:

Mar 17, 2004

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