Stack Buffer Overflow in a binary run at upgrade startup

published 2023-12-15 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-37388

cvss: 9.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits: 0; none known

The Parameter Zone Read and Parameter Zone Write command handlers allow performing a Stack buffer overflow. This could potentially lead to a Remote Code execution on the targeted device.

Patch / fix

fixed in 6

IDEMIA SIGMA Lite & Lite + 4.15.5
IDEMIA SIGMA Wide 4.15.5
IDEMIA SIGMA Extreme 4.15.5
IDEMIA MorphoWave Compact/XP 2.12.2
IDEMIA VisionPass 2.12.2
IDEMIA MorphoWave SP 1.2.7

Exploit prediction

1.14% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

IDEMIA SIGMA Lite & Lite +
IDEMIA SIGMA Wide
IDEMIA SIGMA Extreme
IDEMIA MorphoWave Compact/XP
IDEMIA VisionPass
IDEMIA MorphoWave SP

Classification

Weakness

CWE-121 Stack-based Buffer Overflow
CWE-787 Out-of-bounds Write

References

idemia.com /wp-content/uploads/2023/11/Security-Advisory-SA-2023-05-2.pdf
vendor-advisory

Sources

CVE List CVE-2023-33218
NVD CVE-2023-33218

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary