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CVE-2020-35111

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.

Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 存在安全漏洞，当一个分机用代理权限注册接收时，代理没有为视图源url的onRequest回调进行分流。虽然web内容不能导航到这样的url，但打开视图源的用户可能无意中泄露了他们的IP地址。以下产品和版本受到影响：Firefox < 84、Thunderbird < 78.6和Firefox ESR< 78.6。

AI Predicted 5.3 Difficulty: Moderate EPSS 1.17% · P65
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I. Basic Information for CVE-2020-35111

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
When an extension with the proxy permission registered to receive <all_urls>, the proxy.onRequest callback was not triggered for view-source URLs. While web content cannot navigate to such URLs, a user opening View Source could have inadvertently leaked their IP address. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
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
Mozilla Firefox 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 存在安全漏洞，当一个分机用代理权限注册接收时，代理没有为视图源url的onRequest回调进行分流。虽然web内容不能导航到这样的url，但打开视图源的用户可能无意中泄露了他们的IP地址。以下产品和版本受到影响：Firefox < 84、Thunderbird < 78.6和Firefox ESR< 78.6。
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 ~ 84 -
Mozilla Thunderbird unspecified ~ 78.6 -
Mozilla Firefox ESR unspecified ~ 78.6 -

II. Public POCs for CVE-2020-35111

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III. Intelligence Information for CVE-2020-35111

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Vendor Advisories for CVE-2020-35111 (4)

Same Patch Batch · Mozilla · 2021-01-07 · 13 CVEs total

CVE-2020-26971 Mozilla Firefox 缓冲区错误漏洞
CVE-2020-26972 Mozilla Firefox 资源管理错误漏洞
CVE-2020-26973 Mozilla Firefox 安全漏洞
CVE-2020-26974 Mozilla Firefox 缓冲区错误漏洞
CVE-2020-26975 Mozilla Firefox 安全漏洞
CVE-2020-26976 Mozilla Firefox 安全漏洞
CVE-2020-26977 Mozilla Firefox 安全漏洞
CVE-2020-26978 Mozilla Firefox 信息泄露漏洞
CVE-2020-26979 Mozilla Firefox 输入验证错误漏洞
CVE-2020-35112 Mozilla Firefox 安全漏洞
CVE-2020-35113 Mozilla Firefox 缓冲区错误漏洞
CVE-2020-35114 Mozilla Firefox 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2020-35111

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