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TITLE:
Vim Shell Command Injection Weaknesses

SECUNIA ADVISORY ID:
SA31592

VERIFY ADVISORY:
http://secunia.com/advisories/31592/

CRITICAL:
Not critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Vim 7.x
http://secunia.com/product/13401/
Vim 6.x
http://secunia.com/product/2919/
GVim 6.x
http://secunia.com/product/2920/

DESCRIPTION:
Some weaknesses have been reported in Vim, which can be exploited by
malicious people to potentially compromise a user's system.

The weaknesses are caused due insufficient filtering of certain input
when executing certain commands (e.g. the "K", "<C-]>, and "g]"
commands), which can be exploited to execute arbitrary Vim script or
shell commands.

Successful exploitation requires that the user e.g. is tricked into
opening a malicious file and using the "K" command on a malicious
keyword. Exploitation can also depend on certain settings like
"iskeyword", which can be automatically set by malicious files if
support for modelines is enabled.

The weaknesses are reported in version 3.00 to 7.2. Other versions
may also be affected.

SOLUTION:
Do not use affected commands when editing untrusted files.

PROVIDED AND/OR DISCOVERED BY:
Ben Schmidt. Additional information provided by Jan Minar (rdancer).

ORIGINAL ADVISORY:
http://www.rdancer.org/vulnerablevim-K.html

http://groups.google.com/group/vim_dev/browse_thread/thread/1434d0812b5c817e/6ad2d5b50a96668e

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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