What is CVE-2017-6416?

CVE-2017-6416 is a critical-severity vulnerability in Flexense Sysgauge, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-03-06.

How severe is CVE-2017-6416?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2017-6416 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Flexense Sysgauge

CVE-2017-6416

An issue was discovered in SysGauge 1.5.18. A buffer overflow vulnerability in SMTP connection verification leads to arbitrary code execution. The attack vector is a crafted SMTP daemon that sends a long 220 (aka "Service ready") string.

Vulnerability class: Buffer Overflow

EPSS: 0.606 (98.3th 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

Flexense Sysgauge — versions 1.5.18
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

rapid7/metasploit-framework

References

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

Frequently asked questions

What is CVE-2017-6416?: CVE-2017-6416 is a critical-severity vulnerability in Flexense Sysgauge, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-03-06.
How severe is CVE-2017-6416?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-6416 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.