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CVE-2018-18508

Quick assessment

Affected
Mozilla NSS
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.

NSS是美国Mozilla基金会的一个底层密码学库。该库支持多种加密算法，并且 Firefox 浏览器的TLS实现基于该库。 Mozilla NSS中存在代码问题漏洞。攻击者可以通过Mozilla NSS的CMS强制解除对空指针的引用，从而触发拒绝服务。

AI Predicted 7.5 Difficulty: Easy EPSS 1.97% · P80

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2018-18508

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Network Security Services (NSS) before 3.36.7 and before 3.41.1, a malformed signature can cause a crash due to a null dereference, resulting in a Denial of Service.
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
Network Security Services 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NSS是美国Mozilla基金会的一个底层密码学库。该库支持多种加密算法，并且 Firefox 浏览器的TLS实现基于该库。 Mozilla NSS中存在代码问题漏洞。攻击者可以通过Mozilla NSS的CMS强制解除对空指针的引用，从而触发拒绝服务。
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
Mozilla NSS unspecified ~ 3.41.1 -

II. Public POCs for CVE-2018-18508

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III. Intelligence Information for CVE-2018-18508

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Vendor Advisories for CVE-2018-18508 (2)

Other References for CVE-2018-18508 (2)

Same Patch Batch · Mozilla · 2020-10-22 · 8 CVEs total

CVE-2019-17006 Mozilla NSS 数据伪造问题漏洞
CVE-2019-17007 Network Security Services和NSS 信任管理问题漏洞
CVE-2020-15684 Mozilla Firefox 安全漏洞
CVE-2020-15683 Mozilla Firefox 资源管理错误漏洞
CVE-2020-15682 Mozilla Firefox 访问控制错误漏洞
CVE-2020-15681 Mozilla Firefox 安全漏洞
CVE-2020-15680 Mozilla Firefox 安全漏洞

IV. Related Vulnerabilities

Same product: NSS
Same vendor: Mozilla

V. Comments for CVE-2018-18508

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