Vulnerability CVE-2008-2420
Published: 2008-05-23   Modified: 2012-02-12

Description:
The OCSP functionality in stunnel before 4.24 does not properly search certificate revocation lists (CRL), which allows remote attackers to bypass intended access restrictions by using revoked certificates.

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Stunnel -> Stunnel 

 References:
http://www.securityfocus.com/bid/29309
http://xforce.iss.net/xforce/xfdb/42528
http://www.vupen.com/english/advisories/2008/1569/references
http://www.mandriva.com/security/advisories?name=MDVSA-2008:168
http://stunnel.mirt.net/pipermail/stunnel-announce/2008-May/000035.html
http://security.gentoo.org/glsa/glsa-200808-08.xml
http://secunia.com/advisories/31438
http://secunia.com/advisories/30335
https://www.redhat.com/archives/fedora-package-announce/2008-May/msg00942.html
https://www.redhat.com/archives/fedora-package-announce/2008-May/msg00907.html
https://www.redhat.com/archives/fedora-package-announce/2008-May/msg00856.html
http://secunia.com/advisories/30425
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