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CVE-2020-36855— DCMTK dcmqrscp parseQuota stack-based overflow

Quick assessment

Affected
n/a DCMTK
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.

DCMTK是DCMTK开源的一个实现大部分 DICOM 标准的库和应用程序的集合。用于检查、构建和转换 DICOM 图像文件、处理离线媒体、通过网络连接发送和接收图像的软件，以及演示图像存储和工作列表服务器。 DCMTK 3.6.5及之前版本存在安全漏洞，该漏洞源于对组件dcmqrscp中函数parseQuota的参数StorageQuota的错误操作，可能导致栈缓冲区溢出。

CVSS 5.3 · Medium EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2020-36855

Vulnerability Information
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Vulnerability Title
DCMTK dcmqrscp parseQuota stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in DCMTK up to 3.6.5. The affected element is the function parseQuota of the component dcmqrscp. The manipulation of the argument StorageQuota leads to stack-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed publicly and may be used. Upgrading to version 3.6.6 is sufficient to fix this issue. The identifier of the patch is 0fef9f02e. It is recommended to upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
DCMTK 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DCMTK是DCMTK开源的一个实现大部分 DICOM 标准的库和应用程序的集合。用于检查、构建和转换 DICOM 图像文件、处理离线媒体、通过网络连接发送和接收图像的软件，以及演示图像存储和工作列表服务器。 DCMTK 3.6.5及之前版本存在安全漏洞，该漏洞源于对组件dcmqrscp中函数parseQuota的参数StorageQuota的错误操作，可能导致栈缓冲区溢出。
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
- DCMTK 3.6.0 -

II. Public POCs for CVE-2020-36855

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III. Intelligence Information for CVE-2020-36855

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Vendor Advisories for CVE-2020-36855 (1)

Same Patch Batch · n/a · 2025-10-21 · 27 CVEs total

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Showing top 20 of 27 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: DCMTK
Same vendor: n/a
Same weakness: CWE-121

V. Comments for CVE-2020-36855

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