bugtraq - [ MDVSA-2013:113 ] perl

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Date: Wed, 10 Apr 2013 14:45:00 +0200
From: security@...driva.com
To: bugtraq@...urityfocus.com
Subject: [ MDVSA-2013:113 ] perl

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 _______________________________________________________________________

 Mandriva Linux Security Advisory                         MDVSA-2013:113
 http://www.mandriva.com/en/support/security/
 _______________________________________________________________________

 Package : perl
 Date    : April 10, 2013
 Affected: Business Server 1.0
 _______________________________________________________________________

 Problem Description:

 Updated perl packages fix security vulnerability:

 It was discovered that Perl&#039;s &#039;x&#039; string repeat operator is vulnerable
 to a heap-based buffer overflow. An attacker could use this to execute
 arbitrary code (CVE-2012-5195).

 The _compile function in Maketext.pm in the Locale::Maketext
 implementation in Perl before 5.17.7 does not properly handle
 backslashes and fully qualified method names during compilation of
 bracket notation, which allows context-dependent attackers to execute
 arbitrary commands via crafted input to an application that accepts
 translation strings from users (CVE-2012-6329).

 In order to prevent an algorithmic complexity attack against
 its hashing mechanism, perl will sometimes recalculate keys and
 redistribute the contents of a hash. This mechanism has made perl
 robust against attacks that have been demonstrated against other
 systems. Research by Yves Orton has recently uncovered a flaw in the
 rehashing code which can result in pathological behavior. This flaw
 could be exploited to carry out a denial of service attack against
 code that uses arbitrary user input as hash keys. Because using
 user-provided strings as hash keys is a very common operation,
 we urge users of perl to update their perl executable as soon
 as possible. Updates to address this issue have bene pushed to
 main-5.8, maint-5.10, maint-5.12, maint-5.14, and maint-5.16 branches
 today. Vendors* were informed of this problem two weeks ago and
 are expected to be shipping updates today (or otherwise very soon)
 (CVE-2013-1667).
 _______________________________________________________________________

 References:

 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5195
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-6329
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1667
 https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0352
 https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0032
 https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0094
 _______________________________________________________________________

 Updated Packages:

 Mandriva Business Server 1/X86_64:
 e010dd5d07ad358f78a421e97d158cc5  mbs1/x86_64/perl-5.14.2-8.1.mbs1.x86_64.rpm
 2b935278aa38f3ed01fb4859036fc17a  mbs1/x86_64/perl-base-5.14.2-8.1.mbs1.x86_64.rpm
 8b2791b988a751ad818bbae21854bfe4  mbs1/x86_64/perl-devel-5.14.2-8.1.mbs1.x86_64.rpm
 54a4521ed44b8728a1fa8af387d1e9c2  mbs1/x86_64/perl-doc-5.14.2-8.1.mbs1.noarch.rpm
 c7d0a40057c4ec1d24baa9b605dea7cd  mbs1/x86_64/perl-Locale-Maketext-1.220.0-2.1.mbs1.noarch.rpm 
 1e7634153853dabcec48738081b1c2ec  mbs1/SRPMS/perl-5.14.2-8.1.mbs1.src.rpm
 e1790a3f5f3c579ce1e5e0cb43cb6b08  mbs1/SRPMS/perl-Locale-Maketext-1.220.0-2.1.mbs1.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/en/support/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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