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High severity · published Jan 30, 2025
CVE-2024-23973
Silicon Labs Gecko OS HTTP GET Request Handling Stack-based Buffer Overflow
8.8
CVSS
0.5%
EPSS
No
On KEV
Description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Silicon Labs Gecko OS. Authentication is not required to exploit this vulnerability.  The specific flaw exists within the handling of HTTP GET requests. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GO
Gecko OS · Silicon Labs
all versions · source: vendor, NVD
Affected product
GO
Gecko OS
Silicon Labs
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-23973
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-23973
Permissions Required
https://community.silabs.com/a45Vm0000000Atp
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-24-873/
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