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NetBSD FAST_IPSEC "ipsec4_get_ulp()" Security Bypass
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Secunia Advisory:
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SA29180
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Release Date:
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2008-02-29
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Last Update:
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2008-03-19
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Popularity:
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4,433 views
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Critical:
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Moderately critical
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Impact:
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Security Bypass
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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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| OS: | NetBSD 3.1
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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:
A security issue has been reported in NetBSD, which can potentially be exploited by malicious people to bypass certain security restrictions.
The security issue is caused due to the "ipsec4_get_ulp()" function assuming that the "ip_off" field of an IPSec packet is in host endian form. This can be exploited to bypass IPsec policies if at least one of two IPsec connected systems with different byte orders is running a NetBSD operating system.
Successful exploitation requires that the kernel is compiled with the "FAST_IPSEC" option.
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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