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Ubuntu: New libwww-perl packages fix security vulnerability

It was discovered that libwww-perl incorrectly filtered filenames suggested by Content-Disposition headers. If a user were tricked into downloading a file from a malicious site, a remote attacker could overwrite hidden files in the user’s directory. Updated packages are available from security.ubuntu.com.

===========================================================
Ubuntu Security Notice USN-981-1            August 31, 2010
libwww-perl vulnerability
CVE-2010-2253
===========================================================

A security issue affects the following Ubuntu releases:

Ubuntu 6.06 LTS
Ubuntu 8.04 LTS
Ubuntu 9.04
Ubuntu 9.10
Ubuntu 10.04 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 6.06 LTS:
 libwww-perl                     5.803-4ubuntu0.1

Ubuntu 8.04 LTS:
 libwww-perl                     5.808-1ubuntu0.1

Ubuntu 9.04:
 libwww-perl                     5.820-1ubuntu0.1

Ubuntu 9.10:
 libwww-perl                     5.831-1ubuntu0.1

Ubuntu 10.04 LTS:
 libwww-perl                     5.834-1ubuntu0.1

In general, a standard system update will make all the necessary changes.

Details follow:

It was discovered that libwww-perl incorrectly filtered filenames suggested
by Content-Disposition headers. If a user were tricked into downloading a
file from a malicious site, a remote attacker could overwrite hidden files
in the user's directory.


Updated packages for Ubuntu 6.06 LTS:

 Source archives:

   http://security.ubuntu.com/ubuntu/pool/main/libw/libwww-perl/libwww-perl_5.803-4ubuntu0.1.diff.gz
     Size/MD5:     5982 86d7e5006d66917c82ed5d9e3c53412a
   http://security.ubuntu.com/ubuntu/pool/main/libw/libwww-perl/libwww-perl_5.803-4ubuntu0.1.dsc
     Size/MD5:      822 b2854957adb4051ed3414d990b27d569
   http://security.ubuntu.com/ubuntu/pool/main/libw/libwww-perl/libwww-perl_5.803.orig.tar.gz
     Size/MD5:   234773 3345d5f15a4f42350847254141725c8f

 Architecture independent packages:

   http://security.ubuntu.com/ubuntu/pool/main/libw/libwww-perl/libwww-perl_5.803-4ubuntu0.1_all.deb
     Size/MD5:   359110 c2dad4ab20522635272e064385c5cbe3

Updated packages for Ubuntu 8.04 LTS:

 Source archives:

   http://security.ubuntu.com/ubuntu/pool/main/libw/libwww-perl/libwww-perl_5.808-1ubuntu0.1.diff.gz
     Size/MD5:    10526 7179919aed769791ec74f0a9d3e0ad91
   http://security.ubuntu.com/ubuntu/pool/main/libw/libwww-perl/libwww-perl_5.808-1ubuntu0.1.dsc
     Size/MD5:     1247 31de77d3f332f3352788cae3e1450dae
   http://security.ubuntu.com/ubuntu/pool/main/libw/libwww-perl/libwww-perl_5.808.orig.tar.gz
     Size/MD5:   240305 72120d9195ab1649c2d787eb1102a90c

 Architecture independent packages:

   http://security.ubuntu.com/ubuntu/pool/main/libw/libwww-perl/libwww-perl_5.808-1ubuntu0.1_all.deb
     Size/MD5:   366318 6f7bcee0edfd0f0b88d7d9e18269dad2

Updated packages for Ubuntu 9.04:

 Source archives:

   http://security.ubuntu.com/ubuntu/pool/main/libw/libwww-perl/libwww-perl_5.820-1ubuntu0.1.diff.gz
     Size/MD5:     9671 01345ef7a0d2f552a9cdfe2cdad95563
   http://security.ubuntu.com/ubuntu/pool/main/libw/libwww-perl/libwww-perl_5.820-1ubuntu0.1.dsc
     Size/MD5:     1643 895ddbb3c3eb4f2cf447093380eb92b8
   http://security.ubuntu.com/ubuntu/pool/main/libw/libwww-perl/libwww-perl_5.820.orig.tar.gz
     Size/MD5:   254165 761f87c2e47f57633c9537f532f82e49

 Architecture independent packages:

   http://security.ubuntu.com/ubuntu/pool/main/libw/libwww-perl/libwww-perl_5.820-1ubuntu0.1_all.deb
     Size/MD5:   390700 939c0862778e00608fda60895cadabdb

Updated packages for Ubuntu 9.10:

 Source archives:

   http://security.ubuntu.com/ubuntu/pool/main/libw/libwww-perl/libwww-perl_5.831-1ubuntu0.1.diff.gz
     Size/MD5:     7531 dbfc50404b083fde974c822c1d3a1edb
   http://security.ubuntu.com/ubuntu/pool/main/libw/libwww-perl/libwww-perl_5.831-1ubuntu0.1.dsc
     Size/MD5:     1813 7e7c0accef90813241585f71945bde48
   http://security.ubuntu.com/ubuntu/pool/main/libw/libwww-perl/libwww-perl_5.831.orig.tar.gz
     Size/MD5:   266255 b46737b11a050330dc27db8cb5f9e01f

 Architecture independent packages:

   http://security.ubuntu.com/ubuntu/pool/main/libw/libwww-perl/libwww-perl_5.831-1ubuntu0.1_all.deb
     Size/MD5:   398828 5fc01fb9753a500488126ba8b1163ebf

Updated packages for Ubuntu 10.04:

 Source archives:

   http://security.ubuntu.com/ubuntu/pool/main/libw/libwww-perl/libwww-perl_5.834-1ubuntu0.1.diff.gz
     Size/MD5:     7906 bdaacd4b8aa6793219e4208f780b46ff
   http://security.ubuntu.com/ubuntu/pool/main/libw/libwww-perl/libwww-perl_5.834-1ubuntu0.1.dsc
     Size/MD5:     1781 48b20c5d43d1676b6e47b5b7808d3729
   http://security.ubuntu.com/ubuntu/pool/main/libw/libwww-perl/libwww-perl_5.834.orig.tar.gz
     Size/MD5:   267775 f2ed8a461f76556c9caed9087f47c86c

 Architecture independent packages:

   http://security.ubuntu.com/ubuntu/pool/main/libw/libwww-perl/libwww-perl_5.834-1ubuntu0.1_all.deb
     Size/MD5:   400864 12f23927839b325c931ac066db26cf77
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