The AES-XCBC-MAC algorithm in IPsec in FreeBSD 5.3 and 5.4, when used for authentication without other encryption, uses a constant key instead of the one that was assigned by the system administrator, which can allow remote attackers to spoof packets to establish an IPsec session.
Link | Tags |
---|---|
http://secunia.com/advisories/16244/ | third party advisory patch vendor advisory |
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-05:19.ipsec.asc | vendor advisory |
https://exchange.xforce.ibmcloud.com/vulnerabilities/21551 | vdb entry |
http://www.securityfocus.com/bid/14394 | vdb entry |
http://securitytracker.com/id?1014586 | vdb entry |