Vulnerability in FreeBSD
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 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (64.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- FreeBSD — versions 10.1, 10.2, 10.3
Weakness classification (CWE)
References
- cturt.github.io/sendmsg.html (Exploit)
- security.FreeBSD.org/advisories/FreeBSD-SA-16:19.sendmsg.asc (vendor-advisory, Vendor Advisory)
- www.securitytracker.com/id/1035906 (vdb-entry)
Frequently asked questions
- What is CVE-2016-1887?
- CVE-2016-1887 is a high-severity vulnerability in FreeBSD, classified under CWE-264. CVSS score: 7.8/10. Published 2016-05-25.
- How severe is CVE-2016-1887?
- High severity. CVSS v3 base score is 7.8 out of 10.