Vulnerability Details : CVE-2005-2532
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.
Vulnerability category: Denial of service
Products affected by CVE-2005-2532
- 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_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_rc1:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_rc10:*:*:*:*:*:*:*
- 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_test2:*:*:*:*:*:*:*
- 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:*:*:*:*:*:*:*
- 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_beta19:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_beta2:*:*:*:*:*:*:*
- 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_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_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_test29:*:*:*:*:*:*:*
- 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:2.0.1_rc5:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0.1_rc7:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_beta16:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_beta18:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_beta3:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_beta5:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_rc11:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_rc13:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_rc2:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_rc21:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_rc7:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_rc9:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_test16:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_test18:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_test24:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_test27:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_test7:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_test9:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0.1_rc4:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0.1_rc6:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_beta1:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_beta15:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_beta17:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_beta4:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_beta6:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_rc12:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_rc14:*:*:*:*:*:*:*
- 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_rc8:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_test1:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_test17:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_test19:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_test23:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_test26:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.0_test8:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2005-2532
1.42%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 86 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2005-2532
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
References for CVE-2005-2532
-
http://openvpn.net/changelog.html
Changelog For OpenVPN 2.1 | OpenVPN
-
http://www.mandriva.com/security/advisories?name=MDKSA-2005:145
MandrivaPatch;Vendor Advisory
-
http://www.debian.org/security/2005/dsa-851
[SECURITY] [DSA 851-1] New openvpn packages fix denial of service
-
http://www.securityfocus.com/bid/14607
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