bugtraq - [ MDVSA-2015:116 ] libtasn1

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Date: Sun, 29 Mar 2015 11:31:00 +0200
From: security@...driva.com
To: bugtraq@...urityfocus.com
Subject: [ MDVSA-2015:116 ] libtasn1

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 _______________________________________________________________________

 Mandriva Linux Security Advisory                         MDVSA-2015:116
 http://www.mandriva.com/en/support/security/
 _______________________________________________________________________

 Package : libtasn1
 Date    : March 29, 2015
 Affected: Business Server 2.0
 _______________________________________________________________________

 Problem Description:

 Updated libtasn1 packages fix security vulnerabilities:

 Multiple buffer boundary check issues were discovered in libtasn1
 library, causing it to read beyond the boundary of an allocated buffer.
 An untrusted ASN.1 input could cause an application using the library
 to crash (CVE-2014-3467).

 It was discovered that libtasn1 library function asn1_get_bit_der()
 could incorrectly report negative bit length of the value read from
 ASN.1 input. This could possibly lead to an out of bounds access in
 an application using libtasn1, for example in case if application
 tried to terminate read value with NUL byte (CVE-2014-3468).

 A NULL pointer dereference flaw was found in libtasn1&#039;s
 asn1_read_value_type() / asn1_read_value() function. If an application
 called the function with a NULL value for an ivalue argument to
 determine the amount of memory needed to store data to be read from
 the ASN.1 input, libtasn1 could incorrectly attempt to dereference
 the NULL pointer, causing an application using the library to crash
 (CVE-2014-3469).
 _______________________________________________________________________

 References:

 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3467
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3468
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3469
 http://advisories.mageia.org/MGASA-2014-0247.html
 _______________________________________________________________________

 Updated Packages:

 Mandriva Business Server 2/X86_64:
 de6bb1c43cf66acc391b0866c78acc9d  mbs2/x86_64/lib64tasn1_6-3.6-1.mbs2.x86_64.rpm
 7190acef1aaac85573ade2ff1f25921e  mbs2/x86_64/lib64tasn1-devel-3.6-1.mbs2.x86_64.rpm
 5d87f79d7d3f3abb3d1b08e594eb5112  mbs2/x86_64/libtasn1-tools-3.6-1.mbs2.x86_64.rpm 
 67339ddfd49a0693dd664309fe47b351  mbs2/SRPMS/libtasn1-3.6-1.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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