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[gentoo-security] GLSA: man (200303-13)
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pjp
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PostPosted: Wed Mar 19, 2003 5:46 pm    Post subject: [gentoo-security] GLSA: man (200303-13) Reply with quote

Daniel Ahlberg wrote:
- - ---------------------------------------------------------------------
GENTOO LINUX SECURITY ANNOUNCEMENT 200303-13
- - ---------------------------------------------------------------------

PACKAGE : man
SUMMARY : arbitrary code execution
DATE : 2003-03-18 18:03 UTC
EXPLOIT : local
VERSIONS AFFECTED : <1.5l
FIXED VERSION : >=1.5l
CVE : CAN-2003-0124

- - ---------------------------------------------------------------------

- From advisory:

"man 1.5l was released today, fixing a bug which results in arbitrary code
execution upon reading a specially formatted man file. The basic problem
is, upon finding a string with a quoting problem, the function my_xsprintf
in util.c will return "unsafe" (rather than returning a string which could
be interpreted by the shell). This return value is passed directly to
system(3) - meaning if there is any program named `unsafe`, it will execute
with the privs of the user."

Read the full advisory at:
http://marc.theaimsgroup.com/?l=bugtraq&m=104740927915154&w=2

SOLUTION

It is recommended that all Gentoo Linux users who are running
sys-apps/man upgrade to man-1.5l as follows:

emerge sync
emerge man
emerge clean

- - ---------------------------------------------------------------------
aliz@gentoo.org - GnuPG key is available at http://cvs.gentoo.org/~aliz
- - ---------------------------------------------------------------------


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