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CVE-2017-2784

Quick assessment

Affected
ARM mbed TLS
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.

ARM mbed TLS（前称PolarSSL）是英国ARM公司的一款为mbed产品提供安全通讯和加密功能的产品。 ARM mbed TLS 1.3.19之前的版本、2.1.7之前的2.x版本和2.4.2之前的2.4.x版本中存在安全漏洞。远程攻击者可通过传递恶意的X509证书利用该漏洞造成拒绝服务（无效的栈指针释放）或执行任意代码。

AI Predicted 8.1 Difficulty: Easy EPSS 3.42% · P89
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I. Basic Information for CVE-2017-2784

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An exploitable free of a stack pointer vulnerability exists in the x509 certificate parsing code of ARM mbed TLS before 1.3.19, 2.x before 2.1.7, and 2.4.x before 2.4.2. A specially crafted x509 certificate, when parsed by mbed TLS library, can cause an invalid free of a stack pointer leading to a potential remote code execution. In order to exploit this vulnerability, an attacker can act as either a client or a server on a network to deliver malicious x509 certificates to vulnerable applications.
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
ARM mbed TLS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ARM mbed TLS（前称PolarSSL）是英国ARM公司的一款为mbed产品提供安全通讯和加密功能的产品。 ARM mbed TLS 1.3.19之前的版本、2.1.7之前的2.x版本和2.4.2之前的2.4.x版本中存在安全漏洞。远程攻击者可通过传递恶意的X509证书利用该漏洞造成拒绝服务（无效的栈指针释放）或执行任意代码。
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
ARM mbed TLS 2.4.0 -

II. Public POCs for CVE-2017-2784

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III. Intelligence Information for CVE-2017-2784

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Vendor Advisories for CVE-2017-2784 (1)

Other References for CVE-2017-2784 (2)

IV. Related Vulnerabilities

Same product: mbed TLS
Same vendor: ARM

V. Comments for CVE-2017-2784

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