Debian: DSA-2234-1: zodb security update

    Date 10 May 2011
    83
    Posted By LinuxSecurity Advisories
    Several remote vulnerabilities have been discovered in python-zodb, a set of tools for using ZODB, that could lead to arbitrary code execution in the worst case. The Common Vulnerabilities and Exposures project identified the following problems:
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    Debian Security Advisory DSA-2234-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                             Luciano Bello
    May 10, 2011                           https://www.debian.org/security/faq
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    Package        : zodb
    Vulnerability  : several
    Problem type   : remote
    Debian-specific: no
    CVE ID         : CVE-2009-0668 CVE-2009-0669 
    Debian Bug     : 540465
    
    Several remote vulnerabilities have been discovered in python-zodb, a set of
    tools for using ZODB, that could lead to arbitrary code execution in the worst
    case. The Common Vulnerabilities and Exposures project identified the following
    problems:
    
    CVE-2009-0668
    
       The ZEO server doesn't restrict the callables when unpickling data
       received from a malicious client which can be used by an attacker to execute
       arbitrary python code on the server by sending certain exception pickles. This
       also allows an attacker to import any importable module as ZEO is importing the
       module containing a callable specified in a pickle to test for a certain flag.
    
    CVE-2009-0669
    
       Due to a programming error an authorization method in the StorageServer
       component of ZEO was not used as an internal method. This allows a malicious
       client to bypass authentication when connecting to a ZEO server by simply
       calling this authorization method.
    
    The update also limits the number of new object ids a client can request
    to 100 as it would be possible to consume huge amounts of resources by
    requesting a big batch of new object ids. No CVE id has been assigned to this.
    
    For the oldstable distribution (lenny), this problem has been fixed in
    version 1:3.6.0-2+lenny3.
    
    The stable distribution (squeeze) is not affected, it was fixed before
    the initial release.
    
    For the unstable distribution (sid), this problem has been fixed in
    version 1:3.8.2-1.
    
    We recommend that you upgrade your zodb packages.
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/
    
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    
    
    
    

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