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CVE-2020-10059— UpdateHub Module Explicitly Disables TLS Verification

Quick assessment

Affected
zephyrproject-rtos zephyr
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.

Zephyr是美国Linux基金会的一套开源的小型的可缩放的实时操作系统。 Zephyr 2.1.0及之后版本（2.2.0版本已修复）中的UpdateHub模块存在信任管理问题漏洞，该漏洞源于程序禁用了DTLS对等检查。攻击者可利用该漏洞进行中间人攻击。

CVSS 4.8 · Medium EPSS 1.18% · P65
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I. Basic Information for CVE-2020-10059

Vulnerability Information
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Vulnerability Title
UpdateHub Module Explicitly Disables TLS Verification
Source: CVE Program / CVE List V5
Vulnerability Description
The UpdateHub module disables DTLS peer checking, which allows for a man in the middle attack. This is mitigated by firmware images requiring valid signatures. However, there is no benefit to using DTLS without the peer checking. See NCC-ZEP-018 This issue affects: zephyrproject-rtos zephyr version 2.1.0 and later versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Zephyr 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zephyr是美国Linux基金会的一套开源的小型的可缩放的实时操作系统。 Zephyr 2.1.0及之后版本（2.2.0版本已修复）中的UpdateHub模块存在信任管理问题漏洞，该漏洞源于程序禁用了DTLS对等检查。攻击者可利用该漏洞进行中间人攻击。
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

Vendor Product Affected Versions CPE Subscribe
zephyrproject-rtos zephyr 2.1.0 ~ unspecified -

II. Public POCs for CVE-2020-10059

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III. Intelligence Information for CVE-2020-10059

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Patches & Fixes for CVE-2020-10059 (3)

Other References for CVE-2020-10059 (2)

Same Patch Batch · zephyrproject-rtos · 2020-05-11 · 11 CVEs total

CVE-2020-10022 9.0 CRITICAL UpdateHub Module Copies a Variable-Size Hash String Into a Fixed-Size Array
CVE-2020-10019 8.1 HIGH Buffer Overflow in USB DFU requested length
CVE-2020-10021 8.1 HIGH Out-of-bounds write in USB Mass Storage with unaligned sizes
CVE-2020-10060 8.0 HIGH UpdateHub Might Dereference An Uninitialized Pointer
CVE-2020-10024 7.8 HIGH ARM Platform Uses Signed Integer Comparison When Validating Syscall Numbers
CVE-2020-10027 7.8 HIGH ARC Platform Uses Signed Integer Comparison When Validating Syscall Numbers
CVE-2020-10028 7.8 HIGH Multiple Syscalls In GPIO Subsystem Performs No Argument Validation
CVE-2020-10058 7.8 HIGH Multiple Syscalls In kscan Subsystem Performs No Argument Validation
CVE-2020-10067 7.5 HIGH Integer Overflow In is_in_region Allows User Thread To Access Kernel Memory
CVE-2020-10023 6.9 MEDIUM Shell Subsystem Contains a Buffer Overflow Vulnerability In shell_spaces_trim

IV. Related Vulnerabilities

Same product: zephyr
Same vendor: zephyrproject-rtos
Same weakness: CWE-295

V. Comments for CVE-2020-10059

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