CVE-2005-2532

Medium

Description

OpenVPN before 2.0.1 does not properly flush the OpenSSL error queue when a packet can not be decrypted by the server, which allows remote authenticated attackers to cause a denial of service (client disconnection) via a large number of packets that can not be decrypted.

SeverityMedium
CVSS5.0
Exploit probability—
ProductOpenvpn
PublishedAug 24, 2005
First seenAug 24, 2005

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
openvpn openvpn2.0, 2.0.1_rc1, 2.0.1_rc2, 2.0.1_rc3, 2.0.1_rc4, 2.0.1_rc5, 2.0.1_rc6, 2.0.1_rc7, 2.0_beta1, 2.0_beta2, 2.0_beta3, 2.0_beta4, 2.0_beta5, 2.0_beta6, 2.0_beta7, 2.0_beta8, 2.0_beta9, 2.0_beta10, 2.0_beta11, 2.0_beta12, 2.0_beta13, 2.0_beta15, 2.0_beta16, 2.0_beta17, 2.0_beta18, 2.0_beta19, 2.0_beta20, 2.0_beta28, 2.0_rc1, 2.0_rc2, 2.0_rc3, 2.0_rc4, 2.0_rc5, 2.0_rc6, 2.0_rc7, 2.0_rc8, 2.0_rc9, 2.0_rc10, 2.0_rc11, 2.0_rc12, 2.0_rc13, 2.0_rc14, 2.0_rc15, 2.0_rc16, 2.0_rc17, 2.0_rc18, 2.0_rc19, 2.0_rc20, 2.0_rc21, 2.0_test1, 2.0_test2, 2.0_test3, 2.0_test5, 2.0_test6, 2.0_test7, 2.0_test8, 2.0_test9, 2.0_test10, 2.0_test11, 2.0_test12, 2.0_test14, 2.0_test15, 2.0_test16, 2.0_test17, 2.0_test18, 2.0_test19, 2.0_test20, 2.0_test21, 2.0_test22, 2.0_test23, 2.0_test24, 2.0_test26, 2.0_test27, 2.0_test29—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.