bugtraq - [USN-648-1] nasm vulnerability

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Message-ID: <20080930203646.GS12527@outflux.net>
Date: Tue, 30 Sep 2008 13:36:46 -0700
From: Kees Cook <kees@...ntu.com>
To: ubuntu-security-announce@...ts.ubuntu.com
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk
Subject: [USN-648-1] nasm vulnerability

===========================================================
Ubuntu Security Notice USN-648-1         September 30, 2008
nasm vulnerability
CVE-2008-2719
===========================================================

A security issue affects the following Ubuntu releases:

Ubuntu 8.04 LTS

This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.

The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 8.04 LTS:
  nasm                            0.99.06-2ubuntu0.1

In general, a standard system upgrade is sufficient to effect the
necessary changes.

Details follow:

Philipp Thomas discovered that the ppscan function of nasm contained
an off-by-one error.  If a user or automated system were tricked into
assembling a specially crafted ASM file, a remote attacker could execute
arbitrary commands with user privileges.


Updated packages for Ubuntu 8.04 LTS:

  Source archives:

    http://security.ubuntu.com/ubuntu/pool/main/n/nasm/nasm_0.99.06-2ubuntu0.1.diff.gz
      Size/MD5:    15907 894daa05dae4714c30419c98b2ceb40a
    http://security.ubuntu.com/ubuntu/pool/main/n/nasm/nasm_0.99.06-2ubuntu0.1.dsc
      Size/MD5:      726 fb0bf3fde692980711ad529666405912
    http://security.ubuntu.com/ubuntu/pool/main/n/nasm/nasm_0.99.06.orig.tar.gz
      Size/MD5:   867891 78a0e7b7785ff4241f454310d3c48f14

  amd64 architecture (Athlon64, Opteron, EM64T Xeon):

    http://security.ubuntu.com/ubuntu/pool/main/n/nasm/nasm_0.99.06-2ubuntu0.1_amd64.deb
      Size/MD5:   839692 8041418bc0d1fef019e9109be3996e71

  i386 architecture (x86 compatible Intel/AMD):

    http://security.ubuntu.com/ubuntu/pool/main/n/nasm/nasm_0.99.06-2ubuntu0.1_i386.deb
      Size/MD5:   817098 57dc7b6ff3cce6ced499b6f8b479c06e

  lpia architecture (Low Power Intel Architecture):

    http://ports.ubuntu.com/pool/main/n/nasm/nasm_0.99.06-2ubuntu0.1_lpia.deb
      Size/MD5:   819156 e360526accd52ef2b4c57599c0833147

  powerpc architecture (Apple Macintosh G3/G4/G5):

    http://ports.ubuntu.com/pool/main/n/nasm/nasm_0.99.06-2ubuntu0.1_powerpc.deb
      Size/MD5:   844482 0c9b6c75f820f1929c6285590398cbfe

  sparc architecture (Sun SPARC/UltraSPARC):

    http://ports.ubuntu.com/pool/main/n/nasm/nasm_0.99.06-2ubuntu0.1_sparc.deb
      Size/MD5:   826730 b6fa477b03ba11303d63254aac7ee960


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