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CONECTIVA LINUX SECURITY ANNOUNCEMENT
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PACKAGE : man
SUMMARY : Local vulnerability
DATE : 2003-04-07 19:22:00
ID : CLA-2003:620
RELEVANT
RELEASES : 6.0, 7.0, 8

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DESCRIPTION
The man package, which includes the utilities man, apropos, and
whatis is used to read most of the documentation available on a Linux
system.

Jack Lloyd found[1] a local vulnerability in the man utility. Because
of a problem with a value returned by the my_xsprintf() function, man
could try to execute a program called "unsafe" when reading a manpage
file with certain characteristics. If an attacker can put a malicious
executable file called "unsafe" in the system PATH and let a user
open a specially created manpage, it could run arbitrary commands
with the privileges of this user.


SOLUTION
All users of the "man" package should upgrade.


REFERENCES:
1.http://www.securityfocus.com/archive/1/314700


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/...0_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/...60_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/...0_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/...70_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/...0_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/...80_1cl.src.rpm


ADDITIONAL INSTRUCTIONS
The apt tool can be used to perform RPM packages upgrades:

- run: apt-get update
- after that, execute: apt-get upgrade

Detailed instructions reagarding the use of apt and upgrade examples
can be found at http://distro.conectiva.com.br/atual...#apt?idioma=en

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All packages are signed with Conectiva's GPG key. The key and instructions
on how to import it can be found at
http://distro.conectiva.com.br/segur...ave/?idioma=en
Instructions on how to check the signatures of the RPM packages can be
found at http://distro.conectiva.com.br/segur...ica/?idioma=en

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All our advisories and generic update instructions can be viewed at
http://distro.conectiva.com.br/atualizacoes/?idioma=en

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Copyright 2003 (c) Conectiva Inc.
http://www.conectiva.com

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