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CVE-2018-16869

Quick assessment

Affected
[UNKNOWN] nettle
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.

Nettle是一个基本的加密函数库。 Nettle中RSA解密数据（PKCS#1 1.5版本）的endian转换的处理方法存在安全漏洞。攻击者可利用该漏洞提取明文信息或对连接实施降级攻击。

AI Predicted 4.3 Difficulty: Hard EPSS 1.49% · P73
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I. Basic Information for CVE-2018-16869

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A Bleichenbacher type side-channel based padding oracle attack was found in the way nettle handles endian conversion of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run a process on the same physical core as the victim process, could use this flaw extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
通过差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Nettle 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nettle是一个基本的加密函数库。 Nettle中RSA解密数据（PKCS#1 1.5版本）的endian转换的处理方法存在安全漏洞。攻击者可利用该漏洞提取明文信息或对连接实施降级攻击。
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
[UNKNOWN] nettle n/a -

II. Public POCs for CVE-2018-16869

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III. Intelligence Information for CVE-2018-16869

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Vendor Advisories for CVE-2018-16869 (2)

Other References for CVE-2018-16869 (1)

Same Patch Batch · [UNKNOWN] · 2018-12-03 · 3 CVEs total

CVE-2018-16855 PowerDNS Recursor 安全漏洞
CVE-2018-16868 GnuTLS 加密问题漏洞

IV. Related Vulnerabilities

Same product: nettle
Same vendor: [UNKNOWN]
Same weakness: CWE-203

V. Comments for CVE-2018-16869

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