Buffer overflow in Joyent Smartos
CVE-2016-9034
An exploitable buffer overflow exists in the Joyent SmartOS 20161110T013148Z Hyprlofs file system. The vulnerability is present in the Ioctl system call with the command HYPRLOFS_ADD_ENTRIES when dealing with 32-bit file systems. An attacker can craft an input that can cause a buffer overflow in the nm variable leading to an out of bounds memory access and could result in potential privilege escalation. This vulnerability is distinct from CVE-2016-9032.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (43.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Joyent Smartos — versions OS 20161110T013148Z
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/94930 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- www.talosintelligence.com/reports/TALOS-2016-0252/ (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-9034?
- CVE-2016-9034 is a high-severity vulnerability in Joyent Smartos, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.0/10. Published 2016-12-14.
- How severe is CVE-2016-9034?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2016-9034 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.