Otkrivena su dva sigurnosna propusta u radu programskog paketa Fetchmail. Zlonamjerni ih korisnici mogu iskoristiti za čitanje povjerljivih informacija i izvođenje napada uskraćivanjem usluge.

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 Mandriva Linux Security Advisory                         MDVSA-2012:149
 http://www.mandriva.com/security/
 _______________________________________________________________________

 Package : fetchmail
 Date    : September 1, 2012
 Affected: 2011., Enterprise Server 5.0
 _______________________________________________________________________

 Problem Description:

 Multiple vulnerabilities has been found and corrected in fetchmail:
 
 Fetchmail version 6.3.9 enabled all SSL workarounds (SSL_OP_ALL) which
 contains a switch to disable a countermeasure against certain attacks
 against block ciphers that permit guessing the initialization vectors,
 providing that an attacker can make the application (fetchmail) encrypt
 some data for him -- which is not easily the case (aka a BEAST attack)
 (CVE-2011-3389).
 
 A denial of service flaw was found in the way Fetchmail, a remote mail
 retrieval and forwarding utility, performed base64 decoding of certain
 NTLM server responses. Upon sending the NTLM authentication request,
 Fetchmail did not check if the received response was actually part
 of NTLM protocol exchange, or server-side error message and session
 abort. A rogue NTML server could use this flaw to cause fetchmail
 executable crash (CVE-2012-3482).
 
 This advisory provides the latest version of fetchmail (6.3.22)
 which is not vulnerable to these issues.
 _______________________________________________________________________

 References:

 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3389
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3482
 http://www.fetchmail.info/fetchmail-SA-2012-01.txt
 http://www.fetchmail.info/fetchmail-SA-2012-02.txt
 _______________________________________________________________________

 Updated Packages:

 Mandriva Linux 2011:
 70875792da1b3364cc35eafbf803720a 
2011/i586/fetchmail-6.3.22-0.1-mdv2011.0.i586.rpm
 10a80277160da304e4cd1d1716af8af1 
2011/i586/fetchmailconf-6.3.22-0.1-mdv2011.0.i586.rpm
 0a06b35a176703c84f59042463c58257 
2011/i586/fetchmail-daemon-6.3.22-0.1-mdv2011.0.i586.rpm 
 908499180e7bd8ce77c5aa0cfb45f5f4  2011/SRPMS/fetchmail-6.3.22-0.1.src.rpm

 Mandriva Linux 2011/X86_64:
 3fbfd18fd97b80c487d49027a8e866c2 
2011/x86_64/fetchmail-6.3.22-0.1-mdv2011.0.x86_64.rpm
 dfaaadff76dcb1d559de6bdcba975832 
2011/x86_64/fetchmailconf-6.3.22-0.1-mdv2011.0.x86_64.rpm
 faac11439dfa603e7999c37ced006ebf 
2011/x86_64/fetchmail-daemon-6.3.22-0.1-mdv2011.0.x86_64.rpm 
 908499180e7bd8ce77c5aa0cfb45f5f4  2011/SRPMS/fetchmail-6.3.22-0.1.src.rpm

 Mandriva Enterprise Server 5:
 8baa56904b83b49128b49510e78eb5ca 
mes5/i586/fetchmail-6.3.22-0.1mdvmes5.2.i586.rpm
 505d3831e0c319f8869994ee8785df98 
mes5/i586/fetchmailconf-6.3.22-0.1mdvmes5.2.i586.rpm
 4d494a41525dc93ba0ec0938a9e8c0a1 
mes5/i586/fetchmail-daemon-6.3.22-0.1mdvmes5.2.i586.rpm 
 244ec881f39b978004b3a2c148c4379a 
mes5/SRPMS/fetchmail-6.3.22-0.1mdvmes5.2.src.rpm

 Mandriva Enterprise Server 5/X86_64:
 470d43ce1b232f3e1976607a56e22da1 
mes5/x86_64/fetchmail-6.3.22-0.1mdvmes5.2.x86_64.rpm
 ddf8fb8d0a9543d92803ef20aeb175d1 
mes5/x86_64/fetchmailconf-6.3.22-0.1mdvmes5.2.x86_64.rpm
 b1bc07da8fe90f923b9353306f4bb9fe 
mes5/x86_64/fetchmail-daemon-6.3.22-0.1mdvmes5.2.x86_64.rpm 
 244ec881f39b978004b3a2c148c4379a 
mes5/SRPMS/fetchmail-6.3.22-0.1mdvmes5.2.src.rpm
 _______________________________________________________________________

 To upgrade automatically use MandrivaUpdate or urpmi.  The verification
 of md5 checksums and GPG signatures is performed automatically for you.

 All packages are signed by Mandriva for security.  You can obtain the
 GPG public key of the Mandriva Security Team by executing:

  gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

 You can view other update advisories for Mandriva Linux at:

  http://www.mandriva.com/security/advisories

 If you want to report vulnerabilities, please contact

  security_(at)_mandriva.com
 _______________________________________________________________________

 Type Bits/KeyID     Date       User ID
 pub  1024D/22458A98 2000-07-10 Mandriva Security Team
  <security*mandriva.com>
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