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GNU Screen UTF-8 Character Handling Vulnerabilities
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Secunia Advisory:
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SA22583
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Release Date:
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2006-10-25
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Popularity:
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8,572 views
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Critical:
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Less critical
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Impact:
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DoS
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: | GNU Screen 4.x
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| CVE reference: | CVE-2006-4573
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Description:
Some vulnerabilities have been reported in GNU Screen, which can be exploited by malicious people to cause a DoS (Denial of Service) or potentially compromise a vulnerable system.
The vulnerabilities are caused due to errors within the handling of certain UTF-8 characters. This can be exploited to crash GNU Screen or potentially execute arbitrary code by printing a specially crafted string to the window.
The vulnerability is reported in versions prior to 4.0.3.
Solution:
Update to version 4.0.3.
Provided and/or discovered by:
The vendor credits cstone and Rich Felker
Original Advisory:
http://lists.gnu.org/archive/html/screen-users/2006-10/msg00028.html
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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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