CVE-2011-1492

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    CVE-2011-1492

    Published: 8 Apr 2011Last Modified: 10 Apr 2026

    Summary:

    Details: steps/utils/modcss.inc in Roundcube Webmail before 0.5.1 does not properly verify that a request is an expected request for an external Cascading Style Sheets (CSS) stylesheet, which allows remote authenticated users to trigger arbitrary outbound TCP connections from the server, and possibly obtain sensitive information, via a crafted request.

    References: http://secunia.com/advisories/44050, http://openwall.com/lists/oss-security/2011/03/24/4, http://openwall.com/lists/oss-security/2011/04/04/50, http://trac.roundcube.net/changeset/4488, http://openwall.com/lists/oss-security/2011/03/24/3, http://trac.roundcube.net/wiki/Changelog, https://exchange.xforce.ibmcloud.com/vulnerabilities/66613

    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