CVE-2015-4456

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    CVE-2015-4456

    Published: 26 Oct 2015Last Modified: 16 Apr 2026

    Summary:

    Details: ownCloud Desktop Client before 1.8.2 does not call QNetworkReply::ignoreSslErrors with the list of errors to be ignored, which allows man-in-the-middle attackers to bypass the user's certificate distrust decision and obtain sensitive information by leveraging a self-signed certificate and a connection to a server using its own self-signed certificate.

    References: http://www.debian.org/security/2015/dsa-3363, https://owncloud.org/security/advisory/?id=oc-sa-2015-009, https://github.com/owncloud/client/issues/3283, http://www.securityfocus.com/bid/75354

    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