bugtraq - [ MDVSA-2015:065 ] cpio

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Date: Fri, 27 Mar 2015 15:14:00 +0100
From: security@...driva.com
To: bugtraq@...urityfocus.com
Subject: [ MDVSA-2015:065 ] cpio

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 _______________________________________________________________________

 Mandriva Linux Security Advisory                         MDVSA-2015:065
 http://www.mandriva.com/en/support/security/
 _______________________________________________________________________

 Package : cpio
 Date    : March 27, 2015
 Affected: Business Server 2.0
 _______________________________________________________________________

 Problem Description:

 Updated cpio package fixes security vulnerabilities:

 Heap-based buffer overflow in the process_copy_in function in GNU
 Cpio 2.11 allows remote attackers to cause a denial of service via
 a large block value in a cpio archive (CVE-2014-9112).

 Additionally, a null pointer dereference in the copyin_link function
 which could cause a denial of service has also been fixed.

 In GNU Cpio 2.11, the --no-absolute-filenames option limits
 extracting contents of an archive to be strictly inside a current
 directory. However, it can be bypassed with symlinks. While extracting
 an archive, it will extract symlinks and then follow them if they
 are referenced in further entries. This can be exploited by a rogue
 archive to write files outside the current directory (CVE-2015-1197).
 _______________________________________________________________________

 References:

 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9112
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1197
 http://advisories.mageia.org/MGASA-2014-0528.html
 http://advisories.mageia.org/MGASA-2015-0080.html
 _______________________________________________________________________

 Updated Packages:

 Mandriva Business Server 2/X86_64:
 c6a401b3926824f66db80f0f9549cd5f  mbs2/x86_64/cpio-2.11-7.1.mbs2.x86_64.rpm 
 c34268ad5a7305e1e1bbc0a8b7d12462  mbs2/SRPMS/cpio-2.11-7.1.mbs2.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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