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CVE-2022-22514— Untrusted Pointer Dereference in multiple CODESYS products can lead to a DoS.

Quick assessment

Affected
CODESYS CODESYS Control RTE (SL)
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.

CODESYS是德国3S-Smart Software Solutions的一套控制器开发系统 CODESYS 产品存在缓冲区错误漏洞，该漏洞源于经过身份验证的远程攻击者可以访问请求中包含的取消引用指针。这会导致受影响的 CODESYS 产品的 CmpSettings 组件中的空指针取消引用并导致崩溃。

CVSS 7.1 · High EPSS 0.89% · P58

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-22514

Vulnerability Information
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Vulnerability Title
Untrusted Pointer Dereference in multiple CODESYS products can lead to a DoS.
Source: CVE Program / CVE List V5
Vulnerability Description
An authenticated, remote attacker can gain access to a dereferenced pointer contained in a request. The accesses can subsequently lead to local overwriting of memory in the CmpTraceMgr, whereby the attacker can neither gain the values read internally nor control the values to be written. If invalid memory is accessed, this results in a crash.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
非可信指针解引用
Source: CVE Program / CVE List V5
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 产品存在缓冲区错误漏洞，该漏洞源于经过身份验证的远程攻击者可以访问请求中包含的取消引用指针。这会导致受影响的 CODESYS 产品的 CmpSettings 组件中的空指针取消引用并导致崩溃。
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
CODESYS CODESYS Control RTE (SL) V3.5.18.0 ~ V3.5.18.0 -
CODESYS CODESYS Control RTE (for Beckhoff CX) SL V3.5.18.0 ~ V3.5.18.0 -
CODESYS CODESYS Control Win (SL) V3.5.18.0 ~ V3.5.18.0 -
CODESYS CODESYS Gateway V3.5.18.0 ~ V3.5.18.0 -
CODESYS CODESYS Edge Gateway for Windows V3.5.18.0 ~ V3.5.18.0 -
CODESYS CODESYS HMI (SL) V3.5.18.0 ~ V3.5.18.0 -
CODESYS CODESYS Development System V3 V3.5.18.0 ~ V3.5.18.0 -
CODESYS CODESYS Control Runtime System Toolkit V3.5.18.0 ~ V3.5.18.0 -
CODESYS CODESYS Embedded Target Visu Toolkit V3.5.18.0 ~ V3.5.18.0 -
CODESYS CODESYS Remote Target Visu Toolkit V3.5.18.0 ~ V3.5.18.0 -
CODESYS CODESYS Control for BeagleBone SL V4.5.0.0 ~ V4.5.0.0 -
CODESYS CODESYS Control for Beckhoff CX9020 SL V4.5.0.0 ~ V4.5.0.0 -
CODESYS CODESYS Control for emPC-A/iMX6 SL V4.5.0.0 ~ V4.5.0.0 -
CODESYS CODESYS Control for IOT2000 SL V4.5.0.0 ~ V4.5.0.0 -
CODESYS CODESYS Control for Linux SL V4.5.0.0 ~ V4.5.0.0 -
CODESYS CODESYS Control for PFC100 SL V4.5.0.0 ~ V4.5.0.0 -
CODESYS CODESYS Control for PFC200 SL V4.5.0.0 ~ V4.5.0.0 -
CODESYS CODESYS Control for PLCnext SL V4.5.0.0 ~ V4.5.0.0 -
CODESYS CODESYS Control for Raspberry Pi SL V4.5.0.0 ~ V4.5.0.0 -
CODESYS CODESYS Control for WAGO Touch Panels 600 SL V4.5.0.0 ~ V4.5.0.0 -
CODESYS CODESYS Edge Gateway for Linux V4.5.0.0 ~ V4.5.0.0 -

II. Public POCs for CVE-2022-22514

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III. Intelligence Information for CVE-2022-22514

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Other References for CVE-2022-22514 (1)

Same Patch Batch · CODESYS · 2022-04-07 · 7 CVEs total

CVE-2022-22515 8.1 HIGH A component of the CODESYS Control runtime system allows read and write access to configur
CVE-2022-22516 7.8 HIGH CODESYS driver SysDrv3S allows SYSTEM users on Microsoft Windows to read and write in rest
CVE-2022-22519 7.5 HIGH Special HTTP(s) Requests can cause a buffer-read causing a crash of the webserver and the
CVE-2022-22517 7.5 HIGH Communication Components in multiple CODESYS products vulnerable to communication channel
CVE-2022-22518 6.5 MEDIUM A bug in the CODESYS V3 CmpUserMgr component fails to correctly apply a security policy.
CVE-2022-22513 6.5 MEDIUM Null Pointer Dereference in multiple CODESYS products can lead to a DoS.

IV. Related Vulnerabilities

Same product: CODESYS Control RTE (SL)
Same vendor: CODESYS
Same weakness: CWE-822

V. Comments for CVE-2022-22514

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