Articles / Debian: New wget packages f…

Debian: New wget packages fix potential code execution

It was discovered that wget, a command line tool for downloading files from the WWW, uses server-provided file names when creating local files. This may lead to code execution in some scenarios. Updated packages are available from security.debian.org.

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

- ------------------------------------------------------------------------
Debian Security Advisory DSA-2088-1                  security@debian.org
http://www.debian.org/security/                           Florian Weimer
August 05, 2010                       http://www.debian.org/security/faq
- ------------------------------------------------------------------------

Package        : wget
Vulnerability  : missing input sanitization
Problem type   : local (remote)
Debian-specific: no
CVE Id(s)      : CVE-2010-2252
Debian Bug     : 590296

It was discovered that wget, a command line tool for downloading files
from the WWW, uses server-provided file names when creating local
files.  This may lead to code execution in some scenarios.

After this update, wget will ignore server-provided file names.  You
can restore the old behavior in cases where it is not desirable by
invoking wget with the new --use-server-file-name option.

For the stable distribution (lenny), this problem has been fixed in
version 1.11.4-2+lenny2.

For the unstable distribution (sid), this problem will be fixed soon.

We recommend that you upgrade your wget 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
- --------------------------------

Source archives:

 http://security.debian.org/pool/updates/main/w/wget/wget_1.11.4.orig.tar.gz
   Size/MD5 checksum:  1475149 69e8a7296c0e12c53bd9ffd786462e87
 http://security.debian.org/pool/updates/main/w/wget/wget_1.11.4-2+lenny2.dsc
   Size/MD5 checksum:     1351 165ddfab21bec6a90621d3c862e3a640
 http://security.debian.org/pool/updates/main/w/wget/wget_1.11.4-2+lenny2.diff.gz
   Size/MD5 checksum:    20038 b4ff0dd5aca4325cd6bb810c80a10ac2

alpha architecture (DEC Alpha)

 http://security.debian.org/pool/updates/main/w/wget/wget_1.11.4-2+lenny2_alpha.deb
   Size/MD5 checksum:   632918 a911f943d3117fe874fc0d1ccdfcabcc

amd64 architecture (AMD x86_64 (AMD64))

 http://security.debian.org/pool/updates/main/w/wget/wget_1.11.4-2+lenny2_amd64.deb
   Size/MD5 checksum:   615714 ced5fb50f5c1f852dab3499a7e789591

arm architecture (ARM)

 http://security.debian.org/pool/updates/main/w/wget/wget_1.11.4-2+lenny2_arm.deb
   Size/MD5 checksum:   605770 a2e1770f81364d506e32273b6664b532

armel architecture (ARM EABI)

 http://security.debian.org/pool/updates/main/w/wget/wget_1.11.4-2+lenny2_armel.deb
   Size/MD5 checksum:   609656 647e20606aad2f1b91dcae2fcf16c7a6

hppa architecture (HP PA RISC)

 http://security.debian.org/pool/updates/main/w/wget/wget_1.11.4-2+lenny2_hppa.deb
   Size/MD5 checksum:   621172 8b62a1a3bf2283f944c94536566153d2

i386 architecture (Intel ia32)

 http://security.debian.org/pool/updates/main/w/wget/wget_1.11.4-2+lenny2_i386.deb
   Size/MD5 checksum:   608094 1c10b6d3382359ca474bea2a11668e51

ia64 architecture (Intel ia64)

 http://security.debian.org/pool/updates/main/w/wget/wget_1.11.4-2+lenny2_ia64.deb
   Size/MD5 checksum:   678432 c63753107b2ae8a71dc30ba47f3cd060

mips architecture (MIPS (Big Endian))

 http://security.debian.org/pool/updates/main/w/wget/wget_1.11.4-2+lenny2_mips.deb
   Size/MD5 checksum:   622254 4e14e455793e56095104c061ff4c61c7

mipsel architecture (MIPS (Little Endian))

 http://security.debian.org/pool/updates/main/w/wget/wget_1.11.4-2+lenny2_mipsel.deb
   Size/MD5 checksum:   621242 efb101ae6b9c40aa77cbf949743d6e32

powerpc architecture (PowerPC)

 http://security.debian.org/pool/updates/main/w/wget/wget_1.11.4-2+lenny2_powerpc.deb
   Size/MD5 checksum:   624122 a85d5fe77b024aa5a3075c3134ea36d4

s390 architecture (IBM S/390)

 http://security.debian.org/pool/updates/main/w/wget/wget_1.11.4-2+lenny2_s390.deb
   Size/MD5 checksum:   622754 a25ebc6b2dedae98ebaf4b0870002c44

sparc architecture (Sun SPARC/UltraSPARC)

 http://security.debian.org/pool/updates/main/w/wget/wget_1.11.4-2+lenny2_sparc.deb
   Size/MD5 checksum:   611542 191b61e5edca722a54f7e19728346f94


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

- ---------------------------------------------------------------------------------
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@lists.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>
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