BugTraq
[SECURITY] [DSA 2074-1] New ncompress packages fix execution of arbitrary code Jul 21 2010 08:29AM
Giuseppe Iuculano (iuculano debian org)
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Debian Security Advisory DSA-2074-1 security (at) debian (dot) org [email concealed]
http://www.debian.org/security/ Giuseppe Iuculano
July 21, 2010 http://www.debian.org/security/faq
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Package : ncompress
Vulnerability : integer underflow
Problem type : local
Debian-specific: no
CVE Id : CVE-2010-0001

Aki Helin discovered an integer underflow in ncompress, the original
Lempel-Ziv compress/uncompress programs.
This could lead to the execution of arbitrary code when trying to decompress
a crafted LZW compressed gzip archive.

For the stable distribution (lenny), this problem has been fixed in
version 4.2.4.2-1+lenny1.

For the testing (squeeze) and unstable (sid) distribution, this
problem has been fixed in version 4.2.4.3-1.

We recommend that you upgrade your ncompress package.

Upgrade instructions
- --------------------

wget url
will fetch the file for you
dpkg -i file.deb
will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
will update the internal database
apt-get upgrade
will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.

Debian GNU/Linux 5.0 alias lenny
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Debian (stable)
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Stable updates are available for alpha, amd64, arm, armel, hppa, i386, ia64, mips, mipsel, powerpc, s390 and sparc.

Source archives:

http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4
.2-1+lenny1.dsc
Size/MD5 checksum: 1001 540971822f1077df924611a0795d708c
http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4
.2-1+lenny1.diff.gz
Size/MD5 checksum: 7958 9e1082cc4b82240e9cd76b09f93adebb
http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4
.2.orig.tar.gz
Size/MD5 checksum: 32978 53421df78cc9ff311ce0392e3a729920

alpha architecture (DEC Alpha)

http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4
.2-1+lenny1_alpha.deb
Size/MD5 checksum: 25032 97104b799ed18dda40a495af691097e7

amd64 architecture (AMD x86_64 (AMD64))

http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4
.2-1+lenny1_amd64.deb
Size/MD5 checksum: 24058 ff6531d0a69fd6cffaeb66ef05bc5d53

arm architecture (ARM)

http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4
.2-1+lenny1_arm.deb
Size/MD5 checksum: 23852 7157e843f9066f7d20e07a83cba0b2e1

armel architecture (ARM EABI)

http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4
.2-1+lenny1_armel.deb
Size/MD5 checksum: 23740 d4323cbb9d5938850b71514f1edd5ca0

hppa architecture (HP PA RISC)

http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4
.2-1+lenny1_hppa.deb
Size/MD5 checksum: 25466 b276a1839ad20d5dc675a119c76e66e5

i386 architecture (Intel ia32)

http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4
.2-1+lenny1_i386.deb
Size/MD5 checksum: 23076 a53008254138090e760ec7a51d551bee

ia64 architecture (Intel ia64)

http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4
.2-1+lenny1_ia64.deb
Size/MD5 checksum: 28200 a2736fb1efd14e676ac6a2cb1ec3da46

mips architecture (MIPS (Big Endian))

http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4
.2-1+lenny1_mips.deb
Size/MD5 checksum: 24106 0b3cf882744400648ddefa54111ae540

mipsel architecture (MIPS (Little Endian))

http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4
.2-1+lenny1_mipsel.deb
Size/MD5 checksum: 24204 8c85696714487268c4bf0adb0a9d31b9

powerpc architecture (PowerPC)

http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4
.2-1+lenny1_powerpc.deb
Size/MD5 checksum: 24476 98db6645c581ccd5cf35a8ca0ea28966

s390 architecture (IBM S/390)

http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4
.2-1+lenny1_s390.deb
Size/MD5 checksum: 23944 9e40760b9cfbe73ceb6180da37175892

sparc architecture (Sun SPARC/UltraSPARC)

http://security.debian.org/pool/updates/main/n/ncompress/ncompress_4.2.4
.2-1+lenny1_sparc.deb
Size/MD5 checksum: 23860 a422335c694163587222691d9fa728ac

These files will probably be moved into the stable distribution on
its next update.

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For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce (at) lists.debian (dot) org [email concealed]
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>

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