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.

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

EPSS: 0.189 (97.0th percentile) — read the EPSS interpretation.

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.

Affected products

Netbsd
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

References

cve@mitre.org (exploit, x_refsource_EXPLOIT-DB)
cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

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.