Buffer overflow in Freeradius

CVE-2017-10979

An FR-GV-202 issue in FreeRADIUS 2.x before 2.2.10 allows "Write overflow in rad_coalesce()" - this allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code.

Vulnerability class: Buffer Overflow

EPSS: 0.070 (93.5th 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

  • Freeradius — versions 2.0.0, 2.0.1, 2.0.2
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-10979?
CVE-2017-10979 is a critical-severity vulnerability in Freeradius, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2017-07-17.
How severe is CVE-2017-10979?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-10979 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.