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

1

Catalogued exploits

ExploitDBFreeBSD Kernel (FreeBSD 10.2 < 10.3 x64) - 'SETFKEY' (PoC)ExploitDB exploitby CTurtNot analyzed1 file
ExploitDB

PoC details

References

6