low
2.1
CWE
NVD-CWE-Other
Advisory Published
Updated

CVE-2005-2533

First published: Wed Aug 24 2005(Updated: )

OpenVPN before 2.0.1, when running in "dev tap" Ethernet bridging mode, allows remote authenticated clients to cause a denial of service (memory exhaustion) via a flood of packets with a large number of spoofed MAC addresses.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
OpenVPN Monitor=2.0
OpenVPN Monitor=2.0.1_rc1
OpenVPN Monitor=2.0.1_rc2
OpenVPN Monitor=2.0.1_rc3
OpenVPN Monitor=2.0.1_rc4
OpenVPN Monitor=2.0.1_rc5
OpenVPN Monitor=2.0.1_rc6
OpenVPN Monitor=2.0.1_rc7
OpenVPN Monitor=2.0_beta1
OpenVPN Monitor=2.0_beta2
OpenVPN Monitor=2.0_beta3
OpenVPN Monitor=2.0_beta4
OpenVPN Monitor=2.0_beta5
OpenVPN Monitor=2.0_beta6
OpenVPN Monitor=2.0_beta7
OpenVPN Monitor=2.0_beta8
OpenVPN Monitor=2.0_beta9
OpenVPN Monitor=2.0_beta10
OpenVPN Monitor=2.0_beta11
OpenVPN Monitor=2.0_beta12
OpenVPN Monitor=2.0_beta13
OpenVPN Monitor=2.0_beta15
OpenVPN Monitor=2.0_beta16
OpenVPN Monitor=2.0_beta17
OpenVPN Monitor=2.0_beta18
OpenVPN Monitor=2.0_beta19
OpenVPN Monitor=2.0_beta20
OpenVPN Monitor=2.0_beta28
OpenVPN Monitor=2.0_rc1
OpenVPN Monitor=2.0_rc2
OpenVPN Monitor=2.0_rc3
OpenVPN Monitor=2.0_rc4
OpenVPN Monitor=2.0_rc5
OpenVPN Monitor=2.0_rc6
OpenVPN Monitor=2.0_rc7
OpenVPN Monitor=2.0_rc8
OpenVPN Monitor=2.0_rc9
OpenVPN Monitor=2.0_rc10
OpenVPN Monitor=2.0_rc11
OpenVPN Monitor=2.0_rc12
OpenVPN Monitor=2.0_rc13
OpenVPN Monitor=2.0_rc14
OpenVPN Monitor=2.0_rc15
OpenVPN Monitor=2.0_rc16
OpenVPN Monitor=2.0_rc17
OpenVPN Monitor=2.0_rc18
OpenVPN Monitor=2.0_rc19
OpenVPN Monitor=2.0_rc20
OpenVPN Monitor=2.0_rc21
OpenVPN Monitor=2.0_test1
OpenVPN Monitor=2.0_test2
OpenVPN Monitor=2.0_test3
OpenVPN Monitor=2.0_test5
OpenVPN Monitor=2.0_test6
OpenVPN Monitor=2.0_test7
OpenVPN Monitor=2.0_test8
OpenVPN Monitor=2.0_test9
OpenVPN Monitor=2.0_test10
OpenVPN Monitor=2.0_test11
OpenVPN Monitor=2.0_test12
OpenVPN Monitor=2.0_test14
OpenVPN Monitor=2.0_test15
OpenVPN Monitor=2.0_test16
OpenVPN Monitor=2.0_test17
OpenVPN Monitor=2.0_test18
OpenVPN Monitor=2.0_test19
OpenVPN Monitor=2.0_test20
OpenVPN Monitor=2.0_test21
OpenVPN Monitor=2.0_test22
OpenVPN Monitor=2.0_test23
OpenVPN Monitor=2.0_test24
OpenVPN Monitor=2.0_test26
OpenVPN Monitor=2.0_test27
OpenVPN Monitor=2.0_test29

Remedy

http://www.mandriva.com/security/advisories?name=MDKSA-2005:145

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2005-2533?

    CVE-2005-2533 has a severity rating that indicates it can lead to denial of service due to memory exhaustion from a packet flood.

  • How do I fix CVE-2005-2533?

    To fix CVE-2005-2533, upgrade to OpenVPN version 2.0.1 or later as this addresses the vulnerability.

  • What versions of OpenVPN are affected by CVE-2005-2533?

    OpenVPN versions prior to 2.0.1, including all 2.0.x pre-release versions, are affected by CVE-2005-2533.

  • What does CVE-2005-2533 exploit?

    CVE-2005-2533 exploits OpenVPN's Ethernet bridging mode by allowing remote authenticated clients to flood it with packets containing spoofed MAC addresses.

  • What are the consequences of CVE-2005-2533?

    The consequences of CVE-2005-2533 include potential service disruption and denial of access due to memory exhaustion.

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