Sigma Lite Firmware
CVE-2023-33220
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
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
AnalysisAI
During the retrofit validation process, the firmware doesn't properly check the boundaries while copying some attributes to check. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-121. 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 Affected products include: Idemia Sigma Lite Firmware, Idemia Sigma Lite\+ Firmware, Idemia Sigma Extreme Firmware, Idemia Sigma Wide Firmware, Idemia Morphowave Compact Firmware.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
More in Sigma Lite Firmware
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When reading DesFire keys, the function that reads the card isn't properly checking the boundaries when copying internal
The handler of the retrofit validation command doesn't properly check the boundaries when performing certain validation
The Parameter Zone Read and Parameter Zone Write command handlers allow performing a Stack buffer overflow. Rated critic
A Buffer Overflow in Thrift command handlers in IDEMIA Morpho Wave Compact and VisionPass devices before 2.6.2, Sigma de
By abusing a design flaw in the firmware upgrade mechanism of the impacted terminal it's possible to cause a permanent d
Same weakness CWE-121 – Stack-based Buffer Overflow
View allSame technique Stack Overflow
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External POC / Exploit Code
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