CVE-2023-46738— CubeFS 安全漏洞
一分钟漏洞结论
影响对象
cubefs cubefs
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
CubeFS是CubeFS个人开发者的一种云原生文件存储。 CubeFS 3.3.1之前版本存在安全漏洞，该漏洞源于对传入 HTTP 请求的处理不当。攻击者利用该漏洞可以控制 ObjectNode 分配的内存量。
可能的 ATT&CK 技术 3 AI
T1078 · Valid Accounts T1496 · Resource Hijacking T1499 · Endpoint Denial of Service
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一、 漏洞 CVE-2023-46738 基础信息
漏洞信息
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Vulnerability Title
Authenticated users can crash the CubeFS servers with maliciously crafted requests
来源: CVE Program / CVE List V5
Vulnerability Description
CubeFS is an open-source cloud-native file storage system. A security vulnerability was found in CubeFS HandlerNode in versions prior to 3.3.1 that could allow authenticated users to send maliciously-crafted requests that would crash the ObjectNode and deny other users from using it. The root cause was improper handling of incoming HTTP requests that could allow an attacker to control the ammount of memory that the ObjectNode would allocate. A malicious request could make the ObjectNode allocate more memory that the machine had available, and the attacker could exhaust memory by way of a single malicious request. An attacker would need to be authenticated in order to invoke the vulnerable code with their malicious request and have permissions to delete objects. In addition, the attacker would need to know the names of existing buckets of the CubeFS deployment - otherwise the request would be rejected before it reached the vulnerable code. As such, the most likely attacker is an inside user or an attacker that has breached the account of an existing user in the cluster. The issue has been patched in v3.3.1. There is no other mitigation besides upgrading.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
来源: CVE Program / CVE List V5
Vulnerability Title
CubeFS 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
CubeFS是CubeFS个人开发者的一种云原生文件存储。 CubeFS 3.3.1之前版本存在安全漏洞，该漏洞源于对传入 HTTP 请求的处理不当。攻击者利用该漏洞可以控制 ObjectNode 分配的内存量。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2023-46738 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2023-46738 补丁与修复 (1)
CVE-2023-46738 厂商安全公告 (1)
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https://github.com/cubefs/cubefs/security/advisories/GHSA-qc6v-g3xw-grmx x_refsource_CONFIRM
同批安全公告 · cubefs · 2024-01-03 · 共 5 条
| CVE-2023-46739 | 6.5 MEDIUM | CubeFS 安全漏洞 |
| CVE-2023-46740 | 6.5 MEDIUM | CubeFS 安全特征问题漏洞 |
| CVE-2023-46741 | 4.8 MEDIUM | CubeFS 安全漏洞 |
| CVE-2023-46742 | 4.8 MEDIUM | CubeFS 日志信息泄露漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2023-46738
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