CVE-2011-1499

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    CVE-2011-1499

    Published: 29 Apr 2011Last Modified: 10 Apr 2026

    Summary:

    Details: acl.c in Tinyproxy before 1.8.3, when an Allow configuration setting specifies a CIDR block, permits TCP connections from all IP addresses, which makes it easier for remote attackers to hide the origin of web traffic by leveraging the open HTTP proxy server.

    References: http://openwall.com/lists/oss-security/2011/04/07/9, http://openwall.com/lists/oss-security/2011/04/08/3, http://secunia.com/advisories/44274, http://www.debian.org/security/2011/dsa-2222, http://openwall.com/lists/oss-security/2011/04/07/9, http://openwall.com/lists/oss-security/2011/04/08/3, http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=621493, https://bugzilla.redhat.com/show_bug.cgi?id=694658, http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=621493, https://banu.com/bugzilla/show_bug.cgi?id=90, https://bugzilla.redhat.com/show_bug.cgi?id=694658, https://banu.com/cgit/tinyproxy/diff/?id=e8426f6662dc467bd1d827100481b95d9a4a23e4, https://exchange.xforce.ibmcloud.com/vulnerabilities/67256

    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