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GnuPG "make_printable_string()" Buffer Overflow Vulnerability
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Secunia Advisory:
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SA23094
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Release Date:
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2006-11-28
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Last Update:
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2006-12-01
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Popularity:
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11,163 views
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Critical:
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Moderately 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 Patch
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| Software: | GnuPG / gpg 1.0.x
GnuPG / gpg 1.2.x
GnuPG / gpg 1.3.x
GnuPG / gpg 1.4.x
GnuPG / gpg 2.x
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Secunia CVSS-2 Score:
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| Advisory Content (Page 1 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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Description:
Hugh Warrington has reported a vulnerability in GnuPG, which potentially can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a boundary error in the "ask_outfile_name()" function in openfile.c, because the "make_printable_string()" function can return a string longer than the expected "NAMELEN". This can be exploited to cause a buffer overflow by e.g. tricking a user into processing a specially crafted file using the interactive mode.
Successful exploitation may allow the execution of arbitrary code, but requires that the interactive mode is used. Applications using the batch mode (e.g. most e-mail clients) are not affected.
The vulnerability is reported in version 1.4.5 and 2.0.0. Other versions may also be affected.
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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