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CVE-2023-24826— Usage of Uninitialized Timer during forwarding of Fragments with SFR

Quick assessment

Affected
RIOT-OS RIOT
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

RIOT RIOT-OS是一套应用于物联网领域的操作系统。 RIOT RIOT-OS 2023.04之前版本存在安全漏洞，该漏洞源于使用未初始化的对象，攻击者利用该漏洞可以进行拒绝服务攻击。

CVSS 5.9 · Medium EPSS 0.83% · P55
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I. Basic Information for CVE-2023-24826

Vulnerability Information
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Vulnerability Title
Usage of Uninitialized Timer during forwarding of Fragments with SFR
Source: CVE Program / CVE List V5
Vulnerability Description
RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. Prior to version 2023.04, an attacker can send crafted frames to the device to trigger the usage of an uninitialized object leading to denial of service. This issue is fixed in version 2023.04. As a workaround, disable fragment forwarding or SFR.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用未经初始化的指针
Source: CVE Program / CVE List V5
Vulnerability Title
RIOT RIOT-OS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
RIOT RIOT-OS是一套应用于物联网领域的操作系统。 RIOT RIOT-OS 2023.04之前版本存在安全漏洞，该漏洞源于使用未初始化的对象，攻击者利用该漏洞可以进行拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
RIOT-OS RIOT < 2023.04 -

II. Public POCs for CVE-2023-24826

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III. Intelligence Information for CVE-2023-24826

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Patches & Fixes for CVE-2023-24826 (1)

Vendor Advisories for CVE-2023-24826 (1)

Other References for CVE-2023-24826 (2)

Same Patch Batch · RIOT-OS · 2023-05-30 · 6 CVEs total

CVE-2023-33975 9.8 CRITICAL RIOT-OS vulnerable to Out of Bounds Write in _rbuf_add
CVE-2023-33974 7.5 HIGH RIOT-OS vulnerable to Race Condition in SFR Timeout
CVE-2023-33973 7.5 HIGH RIOT-OS vulnerable to NULL pointer dereference during NHC encoding
CVE-2023-24825 7.5 HIGH RIOT-OS vulnerable to NULL pointer dereference in gnrc_pktbuf_mark
CVE-2023-24817 7.5 HIGH RIOT-OS vulnerable to Out of Bounds write in routing with SRH

IV. Related Vulnerabilities

Same product: RIOT
Same vendor: RIOT-OS
Same weakness: CWE-824

V. Comments for CVE-2023-24826

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