cturt.github.io
http://cturt.github.io/SETFKEY.html CVE-2016-1886
HIGH
FreeBSD Kernel (FreeBSD 10.2 < 10.3 x64) - 'SETFKEY' (PoC)
Record summary
CVE-2016-1886 has a selected CVSS score of 7.8 (high); EIP currently links 1 catalogued exploit.
Description
Integer signedness error in the genkbd_commonioctl function in sys/dev/kbd/kbd.c in FreeBSD 9.3 before p42, 10.1 before p34, 10.2 before p17, and 10.3 before p3 allows local users to obtain sensitive information from kernel memory, cause a denial of service (memory overwrite and kernel crash), or gain privileges via a negative value in the flen structure member in the arg argument in a SETFKEY ioctl call, which triggers a "two way heap and stack overflow."
Description source: CVE List
Exploitation context
Available material
- Catalogued exploits
- 1
Proofs of concept
1Catalogued exploits
ExploitDBFreeBSD Kernel (FreeBSD 10.2 < 10.3 x64) - 'SETFKEY' (PoC)ExploitDB exploitby CTurtNot analyzed1 file
References
690734vdb entry
http://www.securityfocus.com/bid/90734 1035905vdb entry
http://www.securitytracker.com/id/1035905 nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2016-1886 security.freebsd.orgConfirmation
https://security.freebsd.org/patches/SA-16:18/atkbd.patch FreeBSD-SA-16:18Vendor advisory
https://www.freebsd.org/security/advisories/FreeBSD-SA-16:18.atkbd.asc