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Vim "helptags" Command Format String Vulnerability
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Secunia Advisory:
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SA25941
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Release Date:
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2007-07-27
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Popularity:
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9,400 views
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Critical:
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Less critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Workaround
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| Software: | Vim 6.x
Vim 7.x
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| CVE reference: | CVE-2007-2953
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Description:
Secunia Research has discovered a vulnerability in Vim, which can be exploited by malicious people to compromise a vulnerable system.
A format string error in the "helptags_one()" function in src/ex_cmds.c when running the "helptags" command can be exploited to execute arbitrary code via specially crafted help files.
Successful exploitation requires that the user is tricked into running "helptags" on malicious data.
The vulnerability is confirmed in versions 6.4 and 7.1. Other versions may also be affected.
Solution:
Apply the vendor's official patch:
ftp://ftp.vim.org/pub/vim/patches/7.1/7.1.039
Do not run "helptags" on untrusted data.
Provided and/or discovered by:
Ulf Harnhammar, Secunia Research.
Original Advisory:
Secunia Research:
http://secunia.com/secunia_research/2007-66/advisory/
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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