A nasm security update has been released for Ubuntu Linux

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Ubuntu Security Notice USN-45-1 December 22, 2004
nasm vulnerability
CAN-2004-1287
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A security issue affects the following Ubuntu releases:

Ubuntu 4.10 (Warty Warthog)

The following packages are affected:

nasm

The problem can be corrected by upgrading the affected package to version 0.98.38-1ubuntu0.1. In general, a standard system upgrade is sufficient to effect the necessary changes.



Details follow:

Jonathan Rockway discovered a locally exploitable buffer overflow in the error() function of nasm. If an attacker tricked a user into assembling a malicious source file, they could exploit this to execute arbitrary code with the privileges of the user that runs nasm.

Source archives:

http://security.ubuntu.com/ubuntu/pool/main/n/nasm/nasm_0.98.38-1ubuntu0.1.diff.gz
Size/MD5: 9013 69265719926bba4907e7da4df681324d
http://security.ubuntu.com/ubuntu/pool/main/n/nasm/nasm_0.98.38-1ubuntu0.1.dsc
Size/MD5: 598 b160f2ca70fc5bd4021c1e6e526eaf70
http://security.ubuntu.com/ubuntu/pool/main/n/nasm/nasm_0.98.38.orig.tar.gz
Size/MD5: 641727 9c1df91560651cbfaa73595fe6babb85

amd64 architecture (Athlon64, Opteron, EM64T Xeon)

http://security.ubuntu.com/ubuntu/pool/main/n/nasm/nasm_0.98.38-1ubuntu0.1_amd64.deb
Size/MD5: 1586664 2c76de8992b04548754487c9a2aa61dd

i386 architecture (x86 compatible Intel/AMD)

http://security.ubuntu.com/ubuntu/pool/main/n/nasm/nasm_0.98.38-1ubuntu0.1_i386.deb
Size/MD5: 1545538 a9c5d4e5a11f9c0c36a1deb5754eaf68

powerpc architecture (Apple Macintosh G3/G4/G5)

http://security.ubuntu.com/ubuntu/pool/main/n/nasm/nasm_0.98.38-1ubuntu0.1_powerpc.deb
Size/MD5: 1584374 540e0c417178d47713ca0cd60b7fc806