CVE-2023-33220 — During the retrofit validation process, the firmware doesn't properly check the

During the retrofit validation process, the firmware doesn't properly check the boundaries while copying some attributes to check. This allows a stack-based buffer overflow that could lead to a potential Remote Code Execution on the targeted device

01What is this vulnerability?

During the retrofit validation process, the firmware doesn't properly check the boundaries while copying some attributes to check. This allows a stack-based buffer overflow that could lead to a potential Remote Code Execution on the targeted device

02Affected products

Vendor	Product	Versions
IDEMIA	SIGMA Lite & Lite +	0
IDEMIA	SIGMA Wide	0
IDEMIA	SIGMA Extreme	0
IDEMIA	MorphoWave Compact/XP	0
IDEMIA	VisionPass	0
IDEMIA	MorphoWave SP	0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-12-15T11:32:14.742Z
• Last modified: 2024-08-02T15:39:35.750Z

09References

• www.idemia.com — https://www.idemia.com/wp-content/uploads/2023/11/Security-Advisory-SA-2023-05-2…