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CHM Lib Multiple Buffer Overflow Vulnerabilities
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Secunia Advisory:
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SA17325
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Release Date:
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2005-10-26
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Last Update:
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2005-11-08
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Popularity:
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8,728 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: | CHM Lib (chmlib) 0.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 reported in CHM Lib (chmlib), which potentially can be exploited by malicious people to compromise a user's system.
1) A boundary error exists in the "_chm_decompress_block()" function when reading input from a ".chm" file into a stack buffer. This can be exploited to cause a stack-based buffer overflow and may allow arbitrary code execution via a specially crafted ".chm" file.
The vulnerability has been reported in version 0.36 and prior.
2) A boundary error exists in the "_chm_find_in_PMGL()" function when reading input from a ".chm" file into a stack buffer. This can be exploited to cause a stack-based buffer overflow and may allow arbitrary code execution via a specially crafted ".chm" file.
3) An unspecified boundary error exists when performing LZX decompression. This may be exploited to cause a buffer overflow.
Vulnerability #2 and #3 has been reported in version 0.35.
Note: The vulnerabilities potentially affect other applications that use the library.
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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