Buffer overflow in Freebsd

CVE-2017-1085

In FreeBSD before 11.2-RELEASE, an application which calls setrlimit() to increase RLIMIT_STACK may turn a read-only memory region below the stack into a read-write region. A specially crafted executable could be exploited to execute arbitrary code in the user context.

Vulnerability class: Buffer Overflow

EPSS: 0.018 (76.9th percentile) — read the EPSS interpretation.

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.

Affected products

  • Freebsd — versions before 11.2-RELEASE

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-1085?
CVE-2017-1085 is a high-severity vulnerability in Freebsd, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-09-12.
How severe is CVE-2017-1085?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2017-1085 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.