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GNU Enscript "setfilename" and "font" Special Escape Buffer Overflows
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Secunia Advisory:
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SA32137
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Release Date:
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2008-10-22
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Last Update:
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2008-11-04
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Popularity:
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2,858 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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Unpatched
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| Software: | GNU Enscript 1.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:
Some vulnerabilities have been discovered in GNU Enscript, which can be exploited by malicious people to compromise a vulnerable system.
1) A vulnerability is caused due to a boundary error within the "read_special_escape()" function in src/psgen.c when processing the "setfilename" escape sequence. This can be exploited to cause a stack-based buffer overflow by tricking the user into converting a malicious file.
2) A vulnerability is caused due to a boundary error within the "read_special_escape()" function in src/psgen.c when processing the "font" escape sequence. This can be exploited to cause a stack-based buffer overflow by tricking the user into converting a malicious file.
Successful exploitation allows execution of arbitrary code, but requires that special escapes processing is enabled with the "-e" option.
The vulnerabilities are confirmed in versions 1.6.1 and 1.6.4 (beta). Other versions may also be affected.
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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