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CVE-2005-2534 Details

Description

Race condition in OpenVPN before 2.0.1, when --duplicate-cn is not enabled, allows remote attackers to cause a denial of service (server crash) via simultaneous TCP connections from multiple clients that use the same client certificate.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://openvpn.net/changelog.html CVE
http://secunia.com/advisories/16463 CVE
http://secunia.com/advisories/17103 CVE
http://www.debian.org/security/2005/dsa-851 CVE
http://www.mandriva.com/security/advisories?name=MDKSA-2005:145 CVEPatchVendor Advisory

see all 12 references

Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-OtherWeakness Not in a Standard CWE Category[email protected]

Affected Products

ProductVersions
openvpn openvpn
2.0
2.0.1_rc1
2.0.1_rc2
2.0.1_rc3
2.0.1_rc4

CPE

  • cpe:2.3:a:openvpn:openvpn:2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0.1_rc1:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0.1_rc2:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0.1_rc3:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0.1_rc4:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0.1_rc5:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0.1_rc6:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0.1_rc7:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_beta1:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_beta2:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_beta3:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_beta4:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_beta5:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_beta6:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_beta7:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_beta8:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_beta9:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_beta10:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_beta11:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_beta12:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_beta13:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_beta15:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_beta16:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_beta17:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_beta18:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_beta19:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_beta20:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_beta28:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc1:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc2:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc3:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc4:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc5:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc6:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc7:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc8:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc9:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc10:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc11:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc12:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc13:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc14:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc15:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc16:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc17:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc18:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc19:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc20:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_rc21:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test1:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test2:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test3:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test5:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test6:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test7:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test8:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test9:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test10:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test11:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test12:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test14:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test15:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test16:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test17:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test18:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test19:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test20:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test21:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test22:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test23:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test24:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test26:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test27:*:*:*:*:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.0_test29:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2005-2534
NVD Published Date:
Aug 24, 2005
NVD Last Modified:
Jun 16, 2026
Source:
[email protected]
CVE-2005-2534 Details - Not Deferred