Buffer overflow in Arista Eos

CVE-2017-14491

Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DNS response.

Vulnerability class: Buffer Overflow

EPSS: 0.337 (97.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-14491?
CVE-2017-14491 is a critical-severity vulnerability in Arista Eos, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2017-10-04.
How severe is CVE-2017-14491?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-14491 known to be exploited?
22 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.