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CVE-2023-6660— FreeBSD 安全漏洞

一分钟漏洞结论

影响对象
FreeBSD FreeBSD
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。

FreeBSD是FreeBSD基金会的一套类Unix操作系统。 FreeBSD 13.2版本和14.0版本存在安全漏洞,该漏洞源于NFS客户端存在信息泄露漏洞。

AI 预测 5.3 利用难度: 中等 EPSS 0.62% · P48

可能的 ATT&CK 技术 1 AI

T1115 · Clipboard Data
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一、 漏洞 CVE-2023-6660 基础信息

漏洞信息

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Vulnerability Title
NFS client data corruption and kernel memory disclosure
来源: CVE Program / CVE List V5
Vulnerability Description
When a program running on an affected system appends data to a file via an NFS client mount, the bug can cause the NFS client to fail to copy in the data to be written but proceed as though the copy operation had succeeded. This means that the data to be written is instead replaced with whatever data had been in the packet buffer previously. Thus, an unprivileged user with access to an affected system may abuse the bug to trigger disclosure of sensitive information. In particular, the leak is limited to data previously stored in mbufs, which are used for network transmission and reception, and for certain types of inter-process communication. The bug can also be triggered unintentionally by system applications, in which case the data written by the application to an NFS mount may be corrupted. Corrupted data is written over the network to the NFS server, and thus also susceptible to being snooped by other hosts on the network. Note that the bug exists only in the NFS client; the version and implementation of the server has no effect on whether a given system is affected by the problem.
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
Vulnerability Title
FreeBSD 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
FreeBSD是FreeBSD基金会的一套类Unix操作系统。 FreeBSD 13.2版本和14.0版本存在安全漏洞,该漏洞源于NFS客户端存在信息泄露漏洞。
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

厂商 产品 影响版本 CPE 订阅
FreeBSD FreeBSD 14.0-RELEASE ~ p3 -

二、漏洞 CVE-2023-6660 的公开POC

# POC 描述 源链接 神龙链接
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三、漏洞 CVE-2023-6660 的情报信息

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CVE-2023-6660 厂商安全公告 (1)

CVE-2023-6660 其他参考 (1)

IV. Related Vulnerabilities

V. Comments for CVE-2023-6660

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