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Pardus: 2010-76: Python: Multiple Vulnerabilities Print E-mail
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Posted by Benjamin D. Thomas   
Multiple incorrect buffer overflow checks which can be used to cause denial of service in audioop module have been fixed.
Pardus Linux Security Advisory 2010-76  
      Date: 2010-06-15
  Severity: 3
      Type: Local

Multiple incorrect buffer overflow checks which can be  used  to  cause
denial of service in audioop module have been fixed.


Multiple integer overflows in audioop.c in the audioop module in Python
2.6, 2.7, 3.1, and 3.2 allow context-dependent  attackers  to  cause  a
denial  of service  (application  crash)  via  a  large  fragment,  as
demonstrated by a call to audioop.lin2lin with a  long  string  in  the
first argument, leading to a buffer overflow. NOTE: this  vulnerability
exists because of an incorrect fix for CVE-2008-3143.5.


The  audioop module  in  Python  2.7  and  3.2  does  not  verify  the
relationships between size arguments and  byte  string  lengths,  which
allows context-dependent attackers to cause a denial of service (memory
corruption and application crash) via crafted arguments, as demonstrated
by a call to  audioop.reverse  with  a  one-byte  string,  a  different
vulnerability than CVE-2010-1634.

Affected packages:

  Pardus 2009:
    python, all before 2.6.5-57-17

There are update(s) for python. You can update them via Package Manager
or with a single command from console:

    pisi up python


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