CVE-2011-4940

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    CVE-2011-4940

    Published: 27 Jun 2012Last Modified: 10 Apr 2026
    Aliases:
    PSF-2012-1

    Summary:

    Details: The list_directory function in Lib/SimpleHTTPServer.py in SimpleHTTPServer in Python before 2.5.6c1, 2.6.x before 2.6.7 rc2, and 2.7.x before 2.7.2 does not place a charset parameter in the Content-Type HTTP header, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks against Internet Explorer 7 via UTF-7 encoding.

    References: http://secunia.com/advisories/50858, http://secunia.com/advisories/51024, http://secunia.com/advisories/51040, http://www.ubuntu.com/usn/USN-1592-1, http://www.ubuntu.com/usn/USN-1596-1, http://www.ubuntu.com/usn/USN-1613-1, http://www.ubuntu.com/usn/USN-1613-2, https://bugzilla.redhat.com/show_bug.cgi?id=803500, http://bugs.python.org/issue11442, http://jvn.jp/en/jp/JVN51176027/index.html, http://jvndb.jvn.jp/jvndb/JVNDB-2012-000063, http://www.securityfocus.com/bid/54083

    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