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CVE-2023-4883— Multiple vulnerabilities in Open5GS

Quick assessment

Affected
Open5GS Open5GS
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.

Open5GS是一个 5G Core 和 Epc 的 C 语言开源实现，即 Lte/Nr 网络的核心网络。 Open5GS 2.4.10及之前版本存在安全漏洞，该漏洞源于存在指针释放无效的问题。攻击者可利用该漏洞通过向VN（虚拟网络函数）发送特制的json字符串导致服务中断。

CVSS 7.5 · High EPSS 0.62% · P48
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I. Basic Information for CVE-2023-4883

Vulnerability Information
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Vulnerability Title
Multiple vulnerabilities in Open5GS
Source: CVE Program / CVE List V5
Vulnerability Description
Invalid pointer release vulnerability. Exploitation of this vulnerability could allow an attacker to interrupt the correct operation of the service by sending a specially crafted json string to the VNF (Virtual Network Function), and triggering the ogs_sbi_message_free function, which could cause a service outage.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对无效指针或索引的释放
Source: CVE Program / CVE List V5
Vulnerability Title
Open5GS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open5GS是一个 5G Core 和 Epc 的 C 语言开源实现，即 Lte/Nr 网络的核心网络。 Open5GS 2.4.10及之前版本存在安全漏洞，该漏洞源于存在指针释放无效的问题。攻击者可利用该漏洞通过向VN（虚拟网络函数）发送特制的json字符串导致服务中断。
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
Open5GS Open5GS 2.4.10 and prior -

II. Public POCs for CVE-2023-4883

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III. Intelligence Information for CVE-2023-4883

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Same Patch Batch · Open5GS · 2023-10-03 · 4 CVEs total

CVE-2023-4882 7.5 HIGH Multiple vulnerabilities in Open5GS
CVE-2023-4885 6.5 MEDIUM Multiple vulnerabilities in Open5GS
CVE-2023-4884 6.5 MEDIUM Multiple vulnerabilities in Open5GS

IV. Related Vulnerabilities

Same product: Open5GS
Same vendor: Open5GS
Same weakness: CWE-763

V. Comments for CVE-2023-4883

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