USN-648-1: nasm vulnerability
Posted on: 09/30/2008 11:50 PM

A new nasm vulnerability update is available for Ubuntu Linux. Here the announcement:

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

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:
Size/MD5: 15907 894daa05dae4714c30419c98b2ceb40a
Size/MD5: 726 fb0bf3fde692980711ad529666405912
Size/MD5: 867891 78a0e7b7785ff4241f454310d3c48f14

amd64 architecture (Athlon64, Opteron, EM64T Xeon):
Size/MD5: 839692 8041418bc0d1fef019e9109be3996e71

i386 architecture (x86 compatible Intel/AMD):
Size/MD5: 817098 57dc7b6ff3cce6ced499b6f8b479c06e

lpia architecture (Low Power Intel Architecture):
Size/MD5: 819156 e360526accd52ef2b4c57599c0833147

powerpc architecture (Apple Macintosh G3/G4/G5):
Size/MD5: 844482 0c9b6c75f820f1929c6285590398cbfe

sparc architecture (Sun SPARC/UltraSPARC):
Size/MD5: 826730 b6fa477b03ba11303d63254aac7ee960

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Comment: Kees Cook lt;kees@outflux.netgt;


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