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CVE-2022-32140— CODESYS runtime system prone to denial of service due to buffer copy

CVSS 6.5 · Medium EPSS 0.33% · P56
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I. Basic Information for CVE-2022-32140

Vulnerability Information
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Vulnerability Title
CODESYS runtime system prone to denial of service due to buffer copy
Source: NVD (National Vulnerability Database)
Vulnerability Description
Multiple CODESYS products are affected to a buffer overflow.A low privileged remote attacker may craft a request, which can cause a buffer copy without checking the size of the service, resulting in a denial-of-service condition. User Interaction is not required.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: NVD (National Vulnerability Database)
Vulnerability Title
CODESYS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CODESYS是德国3S-Smart Software Solutions的一套控制器开发系统 CODESYS 多款产品存在缓冲区错误漏洞，该漏洞源于应用中内部无法正确处理关联结构化数据的长度。攻击者利用该漏洞可以制作带有错误数据长度的关联结构化数据的请求导致缓冲区过度读取，从而实现拒绝服务攻击。
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
CODESYSRuntime Toolkit V2 ~ V2.4.7.57 -
CODESYSPLCWinNT V2 ~ V2.4.7.57 -

II. Public POCs for CVE-2022-32140

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III. Intelligence Information for CVE-2022-32140

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Same Patch Batch · CODESYS · 2022-06-24 · 14 CVEs total

CVE-2022-318029.8 CRITICALPartial string comparison in CODESYS gateway server
CVE-2022-318069.8 CRITICALInsecure default settings in CODESYS Runtime Toolkit 32 bit full and CODESYS PLCWinNT
CVE-2022-321378.8 HIGHCODESYS Runtime System prone to heap based buffer overflow
CVE-2022-321388.8 HIGHCODESYS runtime system prone to denial of service due to Unexpected Sign Extension
CVE-2022-321438.8 HIGHCODESYS runtime system prone to directory acces
CVE-2022-19658.1 HIGHCODESYS runtime system prone to file deletion due to improper error handling
CVE-2022-321428.1 HIGHCODESYS runtime system prone to denial of service due to use of out of range pointer
CVE-2022-318047.5 HIGHCODESYS Gateway server prone to denial of service attack due to excessive memory allocatio
CVE-2022-318057.5 HIGHInsecure transmission of credentials
CVE-2022-321366.5 MEDIUMCodesys runtime systems: Access of uninitialised pointer lead to denial of service.
CVE-2022-321396.5 MEDIUMCODESYS runtime system prone to denial of service due to out of bounds read
CVE-2022-321416.5 MEDIUMCODESYS runtime system prone to denial of service due to buffer over read
CVE-2022-318035.3 MEDIUMCODESYS Gateway Server V2 prone to Denial of Service Attack

IV. Related Vulnerabilities

Same product: Runtime Toolkit
Same vendor: CODESYS
Same weakness: CWE-120

V. Comments for CVE-2022-32140

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