CVE-2011-4108

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    CVE-2011-4108

    Published: 6 Jan 2012Last Modified: 10 Apr 2026

    Summary:

    Details: The DTLS implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f performs a MAC check only if certain padding is valid, which makes it easier for remote attackers to recover plaintext via a padding oracle attack.

    References: http://aix.software.ibm.com/aix/efixes/security/openssl_advisory3.asc, http://rhn.redhat.com/errata/RHSA-2012-1306.html, http://rhn.redhat.com/errata/RHSA-2012-1307.html, http://rhn.redhat.com/errata/RHSA-2012-1308.html, http://secunia.com/advisories/48528, http://secunia.com/advisories/57260, http://secunia.com/advisories/57353, http://www.debian.org/security/2012/dsa-2390, http://www.mandriva.com/security/advisories?name=MDVSA-2012:006, http://www.mandriva.com/security/advisories?name=MDVSA-2012:007, http://www.openssl.org/news/secadv_20120104.txt, http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041, http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html, http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.html, http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00017.html, http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00018.html, http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00001.html, http://marc.info/?l=bugtraq&m=132750648501816&w=2, http://marc.info/?l=bugtraq&m=133951357207000&w=2, http://marc.info/?l=bugtraq&m=134039053214295&w=2, http://support.apple.com/kb/HT5784, http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564, http://www.isg.rhul.ac.uk/~kp/dtls.pdf, http://www.kb.cert.org/vuls/id/737740, https://security.paloaltonetworks.com/CVE-2011-4108

    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