CVE-2011-4357

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    CVE-2011-4357

    Published: 10 Dec 2011Last Modified: 10 Apr 2026

    Summary:

    Details: Format string vulnerability in the p_cgi_error function in python/neo_cgi.c in the Python CGI Kit (neo_cgi) module for Clearsilver 0.10.5 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers that are not properly handled when creating CGI error messages using the cgi_error API function.

    References: http://secunia.com/advisories/47016, http://www.debian.org/security/2011/dsa-2355, http://code.google.com/p/clearsilver/source/detail?r=919, http://osvdb.org/77419, http://tech.groups.yahoo.com/group/ClearSilver/message/1422, http://www.openwall.com/lists/oss-security/2011/11/27/1, https://exchange.xforce.ibmcloud.com/vulnerabilities/71599

    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