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Qt BMP Handling Buffer Overflow Vulnerability
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Secunia Advisory:
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SA12325
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Release Date:
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2004-08-19
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Last Update:
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2004-08-20
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Popularity:
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14,027 views
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Critical:
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Highly critical
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Impact:
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System access
DoS
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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: | Qt 3.x
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| CVE reference: | CVE-2004-0691
CVE-2004-0692
CVE-2004-0693
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Description:
Chris Evans has reported a vulnerability in the Qt library, which potentially can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to boundary errors in the "read_dib()" function when handling 8-bit RLE encoded BMP files. This can be exploited by using an overly long length mark in order to cause a heap-based buffer overflow.
Successful exploitation may allow execution of arbitrary code and can be exploited via any application using the Qt library to display or decode BMP files.
NOTE: Some NULL pointer dereference errors within the handlers for XPM, GIF, and JPEG images can also be exploited to cause a DoS (Denial of Service).
The vulnerability affects version 3.3.2 and prior.
Solution:
Update to version 3.3.3.
Provided and/or discovered by:
Chris Evans
Changelog:
2004-08-20: Added more information in "Description" section.
Original Advisory:
http://scary.beasts.org/security/CESA-2004-004.txt
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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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