PT-2022-6321 · Silicon+1 · Gecko Sdk+1

Published 2022-11-02 · Updated 2023-02-28 · CVE-2022-24942

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Micrium uC-HTTP version 3.01.01 Silicon Labs Gecko SDK (affected versions not specified)

Description The issue is related to a heap-based buffer overflow in the HTTP server functionality. This can be exploited by sending a specially crafted HTTP request, allowing a remote attacker to execute arbitrary code. The estimated number of potentially affected devices worldwide is not specified. There is no information about real-world incidents where this issue was exploited.

Recommendations For Micrium uC-HTTP version 3.01.01, consider disabling the HTTP server functionality until a patch is available. For Silicon Labs Gecko SDK, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Heap Based Buffer Overflow

Weakness Enumeration

CWE-787

CWE-122

Related Identifiers

BDU:2023-00879

CVE-2022-24942

Affected Products

Gecko Sdk

Micrium Uc-Http

References · 10

• 🔥 https://github.com/SiliconLabs/gecko_sdk/blame/v4.1.1/platform/micrium_os/net/source/http/server/http_server_req.c · Exploit
• https://bdu.fstec.ru/vul/2023-00879 · Security Note
• https://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000KlMPOQA3?operationContext=S1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-24942 · Security Note
• https://osv.dev/vulnerability/CVE-2022-24942 · Vendor Advisory
• https://t.me/cybersecuritytechnologies/7802 · Telegram Post
• https://t.me/defcon_news/110252 · Telegram Post
• https://t.me/malwr/6642 · Telegram Post
• https://t.me/secharvester/13490 · Telegram Post
• https://t.me/rnetsec/18252 · Telegram Post