Buffer overflow in NetBSD
CVE-2017-1000375
NetBSD maps the run-time link-editor ld.so directly below the stack region, even if ASLR is enabled, this allows attackers to more easily manipulate memory leading to arbitrary code execution. This affects NetBSD 7.1 and possibly earlier versions.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.189 (97.2th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.189 · newest: 0.189 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.exploit-db.com/exploits/42272/ (exploit)
- www.securityfocus.com/bid/99257 (VDB Entry, Third Party Advisory, vdb-entry)
- www.qualys.com/2017/06/19/stack-clash/stack-clash.txt (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-1000375?
- CVE-2017-1000375 is a critical-severity vulnerability in NetBSD, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-06-19.
- How severe is CVE-2017-1000375?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-1000375 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.