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FreeBSD "strfmon()" Multiple Integer Overflows
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Secunia Advisory:
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SA29574
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Release Date:
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2008-03-28
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Popularity:
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5,229 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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Unpatched
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| OS: | FreeBSD 6.x
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| CVE reference: | CVE-2008-1391
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Description:
Maksymilian Arciemowicz has reported some vulnerabilities in FreeBSD, which potentially can be exploited by malicious people to compromise a vulnerable system.
The vulnerabilities are caused due to multiple integer overflows in the libc "strfmon()" function. These can be exploited to cause a crash or potentially execute arbitrary code via specially crafted format specifiers.
Successful exploitation may allow execution of arbitrary code.
The vulnerabilities are reported in FreeBSD 7.0 and 6.x. Other versions may also be affected.
Solution:
Do not pass untrusted format strings to "strfmon()".
Provided and/or discovered by:
Maksymilian Arciemowicz, SecurityReason
Original Advisory:
http://securityreason.com/achievement_securityalert/53
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About this Secunia Advisory
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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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