high7.8Public exploit code
CVE-2016-1887
Integer signedness error in the sockargs function in sys/kern/uipc_syscalls.c in FreeBSD 10.1 before p34, 10.2 before p17, and 10.3 before p3 allows local user…
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- FreeBSD Kernel (FreeBSD 10.2 x64) - 'sendmsg' Kernel Heap Overflow (PoC)2016-05-29 · dos · freebsd_x86-64
Impact
Integer signedness error in the sockargs function in sys/kern/uipc_syscalls.c in FreeBSD 10.1 before p34, 10.2 before p17, and 10.3 before p3 allows local users to cause a denial of service (memory overwrite and kernel panic) or gain privileges via a negative buflen argument, which triggers a heap-based buffer overflow.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Freebsd | Freebsd | Versions 10.1, 10.2, 10.3 |
Weakness classification
References
- NVD record
- CVE.org record
- http://cturt.github.io/sendmsg.html
- http://www.securitytracker.com/id/1035906
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:19.sendmsg.asc
- http://cturt.github.io/sendmsg.html
- http://www.securitytracker.com/id/1035906
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:19.sendmsg.asc