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CVE-2019-11727

Quick assessment

Affected
Mozilla Firefox
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.

Network Security Services（NSS）是一套用于跨平台开发且启用了安全功能的客户端和服务器应用的库，用NSS编译的应用可支持SSLv2、SSLv3、TLS等安全标准。 Network Security Services存在信任管理问题漏洞。远程攻击者可利用该漏洞绕过安全限制。

AI Predicted 5.9 Difficulty: Hard EPSS 1.81% · P78

Possible ATT&CK Techniques 1 AI

T1557.002 · ARP Cache Poisoning
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I. Basic Information for CVE-2019-11727

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability exists where it possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in CertificateRequest in TLS 1.3. PKCS#1 v1.5 signatures should not be used for TLS 1.3 messages. This vulnerability affects Firefox < 68.
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 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Network Security Services（NSS）是一套用于跨平台开发且启用了安全功能的客户端和服务器应用的库，用NSS编译的应用可支持SSLv2、SSLv3、TLS等安全标准。 Network Security Services存在信任管理问题漏洞。远程攻击者可利用该漏洞绕过安全限制。
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 Firefox unspecified ~ 68 -

II. Public POCs for CVE-2019-11727

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III. Intelligence Information for CVE-2019-11727

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Vendor Advisories for CVE-2019-11727 (4)

Mailing List Discussions for CVE-2019-11727 (5)

Same Patch Batch · Mozilla · 2019-07-23 · 48 CVEs total

CVE-2019-11694 Mozilla Firefox、Mozilla Firefox ESR和Mozilla Thunderbird 信息泄露漏洞
CVE-2019-11691 Mozilla Firefox 资源管理错误漏洞
CVE-2019-9820 Mozilla Firefox 资源管理错误漏洞
CVE-2019-9816 Mozilla Firefox 代码问题漏洞
CVE-2019-9815 Mozilla Firefox、Mozilla Firefox ESR和Mozilla Thunderbird 竞争条件问题漏洞
CVE-2019-9814 Mozilla Firefox 缓冲区错误漏洞
CVE-2019-9811 Mozilla Firefox ESR 注入漏洞
CVE-2019-9800 Mozilla Firefox 缓冲区错误漏洞
CVE-2019-9817 Mozilla Firefox 安全漏洞
CVE-2019-11693 Mozilla Firefox 缓冲区错误漏洞
CVE-2019-11692 Mozilla Firefox 资源管理错误漏洞
CVE-2019-11695 Mozilla Firefox 输入验证错误漏洞
CVE-2019-11696 Mozilla Firefox 输入验证错误漏洞
CVE-2019-11697 Mozilla Firefox 输入验证错误漏洞
CVE-2019-11698 Mozilla Firefox 输入验证错误漏洞
CVE-2019-11699 Mozilla Firefox 输入验证错误漏洞
CVE-2019-11700 Mozilla Firefox 信息泄露漏洞
CVE-2019-11701 Mozilla Firefox 跨站脚本漏洞
CVE-2019-11702 Mozilla Firefox 信息泄露漏洞
CVE-2019-11703 Mozilla Thunderbird 缓冲区错误漏洞

Showing top 20 of 48 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2019-11727

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