CVE-2005-2534

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.

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