CVE-2016-1887 Integer overflow in n/a
Local attackers can exploit an integer signedness error in the FreeBSD kernel to cause a denial of service or gain privileges via a negative buffer length argument.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2016-1887?
CVE-2016-1887 is a high-severity vulnerability in Freebsd Freebsd, published on 25 May 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-264
Which versions are affected by CVE-2016-1887?
It affects 1 product.
Products include Freebsd Freebsd.
How do I fix CVE-2016-1887?
No fix has been published for CVE-2016-1887 yet. Limit exposure of the affected software until one is available.
Is CVE-2016-1887 being exploited?
There is no known exploitation of CVE-2016-1887 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-hmmj-vx9q-w3g8.