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CVE-2019-6190

Quick assessment

Affected
Lenovo BIOS
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.

Lenovo 510-15IKL是中国联想（Lenovo）公司的一款台式电脑。 Lenovo Desktop（及一体机）和WorkStation中的BIOS存在拒绝服务漏洞。攻击者可利用该漏洞在系统（英特尔TXT被启用）上的程序控制暂存器（PCR）从睡眠模式重启之后间歇地清除程序控制暂存器（PCR）。以下产品及版本受到影响：Lenovo 510-15IKL；510S-08IKL；IdeaCentre 310s-08ASR；A340-22/24 IWL；AIO520-22IKU等。

CVSS 5.0 · Medium EPSS 0.28% · P19

Possible ATT&CK Techniques 2 AI

T1562 T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2019-6190

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Lenovo was notified of a potential denial of service vulnerability, affecting various versions of BIOS for Lenovo Desktop, Desktop - All in One, and ThinkStation, that could cause PCRs to be cleared intermittently after resuming from sleep (S3) on systems with Intel TXT enabled.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Lenovo Desktop和WorkStation BIOS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lenovo 510-15IKL是中国联想（Lenovo）公司的一款台式电脑。 Lenovo Desktop（及一体机）和WorkStation中的BIOS存在拒绝服务漏洞。攻击者可利用该漏洞在系统（英特尔TXT被启用）上的程序控制暂存器（PCR）从睡眠模式重启之后间歇地清除程序控制暂存器（PCR）。以下产品及版本受到影响：Lenovo 510-15IKL；510S-08IKL；IdeaCentre 310s-08ASR；A340-22/24 IWL；AIO520-22IKU等。
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
Lenovo BIOS various -

II. Public POCs for CVE-2019-6190

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III. Intelligence Information for CVE-2019-6190

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Vendor Advisories for CVE-2019-6190 (1)

Same Patch Batch · Lenovo · 2020-02-14 · 6 CVEs total

CVE-2019-6193 7.5 HIGH Lenovo XClarity Administrator 信息泄露漏洞
CVE-2019-19758 6.1 MEDIUM Lenovo EZ Media & Backup Center 输入验证错误漏洞
CVE-2019-6194 5.7 MEDIUM Lenovo XClarity Administrator 代码问题漏洞
CVE-2019-19757 5.4 MEDIUM Lenovo XClarity Administrator 跨站脚本漏洞
CVE-2019-6195 4.8 MEDIUM Lenovo XClarity Controller 权限许可和访问控制问题漏洞

IV. Related Vulnerabilities

Same product: BIOS
Same vendor: Lenovo

V. Comments for CVE-2019-6190

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