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CVE-2018-3639

Quick assessment

Affected
Intel Corporation Multiple
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

AMD、ARM和Intel CPUs等都是不通厂商的CPU（中央处理器）产品。 AMD、ARM和Intel CPUs存在信息泄露漏洞。攻击者可通过实施边信道攻击利用该漏洞获取信息。

AI Predicted 5.3 Difficulty: Hard EPSS 60.63% · P99

Public Exploits 1

ExploitDB · 1 EDB-44695 [dos]

Affected Version Matrix 1

VendorProduct Version RangeStatus
Intel Corporation Multiple Multiple affected
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I. Basic Information for CVE-2018-3639

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior memory writes are known may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka Speculative Store Bypass (SSB), Variant 4.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
AMD、ARM和Intel CPUs 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD、ARM和Intel CPUs等都是不通厂商的CPU（中央处理器）产品。 AMD、ARM和Intel CPUs存在信息泄露漏洞。攻击者可通过实施边信道攻击利用该漏洞获取信息。
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
Intel Corporation Multiple Multiple -

II. Public POCs for CVE-2018-3639

# POC Description Source Link Shenlong Link
1 Tools to exercise the Linux kernel mitigation for CVE-2018-3639 (aka Variant 4) using the Speculative Store Bypass Disable (SSBD) feature of x86 processors https://github.com/tyhicks/ssbd-tools POC Details
2 None https://github.com/malindarathnayake/Intel-CVE-2018-3639-Mitigation_RegistryUpdate POC Details
3 Speculative Store Bypass (CVE-2018-3639) proof of concept for Linux https://github.com/mmxsrup/CVE-2018-3639 POC Details
4 spectre v4 : Speculative Store Bypass (CVE-2018-3639) proof of concept for Linux https://github.com/Shuiliusheng/CVE-2018-3639-specter-v4- POC Details
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III. Intelligence Information for CVE-2018-3639

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Vendor Advisories for CVE-2018-3639 (115)

Exploits & Public PoCs for CVE-2018-3639 (1)

Mailing List Discussions for CVE-2018-3639 (12)

Other References for CVE-2018-3639 (12)

IV. Related Vulnerabilities

Same product: Multiple
Same vendor: Intel Corporation

V. Comments for CVE-2018-3639

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