DEBIAN-CVE-2013-2061

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    DEBIAN-CVE-2013-2061

    Published: 18 Nov 2013Last Modified: 1 Sept 2026
    Upstream:
    CVE-2013-2061

    Summary:

    Details: The openvpn_decrypt function in crypto.c in OpenVPN 2.3.0 and earlier, when running in UDP mode, allows remote attackers to obtain sensitive information via a timing attack involving an HMAC comparison function that does not run in constant time and a padding oracle attack on the CBC mode cipher.

    References: https://security-tracker.debian.org/tracker/CVE-2013-2061

    Affected packages

    Package

    Name: openvpn

    Purl: pkg:deb/debian/openvpn?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.3.1-1

    Affected versions

    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