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Category:   OS (UNIX)  >   OpenBSD Kernel Vendors:   OpenBSD
OpenBSD IPsec Packet Fragmentation Bug Lets Remote Users Cause the Target System to Crash
SecurityTracker Alert ID:  1040924
SecurityTracker URL:  http://securitytracker.com/id/1040924
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  May 16 2018
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in OpenBSD. A remote user can cause the target system to crash.

A remote user can send specially crafted fragmented IPsec packets to cause the target system to crash.

Impact:   A remote user can cause the target system to crash.
Solution:   The vendor has issued a source code patch, available at:

https://ftp.openbsd.org/pub/OpenBSD/patches/6.3/common/006_ipseclen.patch.sig

Vendor URL:  www.openbsd.org/errata63.html (Links to External Site)
Cause:   State error

Message History:   None.


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