CVE-2008-2420

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    CVE-2008-2420

    Published: 23 May 2008Last Modified: 10 Apr 2026

    Summary:

    Details: 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.

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

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2008-2420 | CVE-DB