Critical severity · published Nov 2, 2022
CVE-2022-24942
Heap-based buffer overflow in MicriumOS HTTP Server allows potential remote code execution
9.8
CVSS
2.1%
EPSS
No
On KEV
Description
Heap based buffer overflow in HTTP Server functionality in Micrium uC-HTTP 3.01.01 allows remote code execution via HTTP request.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GP
Gecko Platform · silabs.com
before 4.1.1.0 · source: vendor
MU
Micrium Uc-http · Silabs
3.01.01 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-24942
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-24942
Permissions Required
https://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000KlMPOQA3?operationContext=S1
Exploit
https://github.com/SiliconLabs/gecko_sdk/blame/v4.1.1/platform/micrium_os/net/source/http/server/http_server_req.c
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