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I. Basic Information for CVE-2021-31439
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology DiskStation Manager. Authentication is not required to exploit this vulnerablity. The specific flaw exists within the processing of DSI structures in Netatalk. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12326.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
堆缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
Synology DiskStation DSplay 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Synology DiskStation Manager(DSM)是中国台湾群晖科技(Synology)公司的一套用于网络储存服务器(NAS)上的操作系统。该操作系统可管理资料、文件、照片、音乐等信息。 Synology DiskStation DS418play 存在安全漏洞,该漏洞源于由于在将用户提供的数据复制到基于堆的缓冲区之前,没有对其长度进行适当的验证。攻击者可利用该漏洞可以利用这个漏洞在当前进程的上下文中执行代码。
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
VendorProductAffected VersionsCPESubscribe
SynologyDiskStation Manager 6.1.1-15101-4 -
II. Public POCs for CVE-2021-31439
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III. Intelligence Information for CVE-2021-31439
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IV. Related Vulnerabilities
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