full-disclosure - [ MDVSA-2011:155 ] systemtap

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Message-Id: <E1RFrdR-0000Ki-0v@titan.mandriva.com>
Date: Mon, 17 Oct 2011 20:10:00 +0200
From: security@...driva.com
To: full-disclosure@...ts.grok.org.uk
Subject: [ MDVSA-2011:155 ] systemtap

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 _______________________________________________________________________

 Mandriva Linux Security Advisory                         MDVSA-2011:155
 http://www.mandriva.com/security/
 _______________________________________________________________________

 Package : systemtap
 Date    : October 17, 2011
 Affected: 2011.
 _______________________________________________________________________

 Problem Description:

 Multiple vulnerabilities has been discovered and corrected in
 systemtap:

 SystemTap 1.4 and earlier, when unprivileged (aka stapusr)
 mode is enabled, allows local users to cause a denial of service
 (divide-by-zero error and OOPS) via a crafted ELF program with DWARF
 expressions that are not properly handled by a stap script that
 performs context variable access (CVE-2011-1769).

 SystemTap 1.4, when unprivileged (aka stapusr) mode is enabled,
 allows local users to cause a denial of service (divide-by-zero error
 and OOPS) via a crafted ELF program with DWARF expressions that are
 not properly handled by a stap script that performs stack unwinding
 (aka backtracing) (CVE-2011-1781).

 The updated packages have been patched to correct these issues.
 _______________________________________________________________________

 References:

 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1769
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1781
 _______________________________________________________________________

 Updated Packages:

 Mandriva Linux 2011:
 67ba5bb61a22be13c4733ec7a55c69d6  2011/i586/systemtap-1.4-1.1-mdv2011.0.i586.rpm 
 8111bc0afc62a289f80a7c59c230d534  2011/SRPMS/systemtap-1.4-1.1.src.rpm

 Mandriva Linux 2011/X86_64:
 ed96532b46d31ccd56e8738685ef9e90  2011/x86_64/systemtap-1.4-1.1-mdv2011.0.x86_64.rpm 
 8111bc0afc62a289f80a7c59c230d534  2011/SRPMS/systemtap-1.4-1.1.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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