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Pardus: Openssl: Spoofing Print E-mail
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Posted by Benjamin D. Thomas   
A vulnerability has been reported in OpenSSL, which can be exploited by malicious people to conduct spoofing attacks.

Pardus Linux Security Advisory 2009-02  
      Date: 2009-01-14
  Severity: 3
      Type: Remote


A vulnerability has been reported in OpenSSL, which can be exploited by 
malicious people to conduct spoofing attacks. 


The vulnerability is  caused  due  to  certain  OpenSSL  functions  not 
correctly verifying the return value of the "EVP_VerifyFinal()" function
when validating the signature of  DSA  and  ECDSA  keys.  This  can  be 
exploited to bypass the signature check by  e.g.  sending  a  specially 
crafted signature of a certificate chain to a client. 

Successful exploitation requires that the  server  uses  a  certificate 
containing a DSA or ECDSA key. 

Affected packages:

  Pardus 2008:
    openssl, all before 0.9.8i-17-6


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

    pisi up openssl


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