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CVE-2020-35112

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，如果用户在Windows上下载了一个没有扩展名的文件，然后在下载面板中“打开”它，如果下载目录中有一个同名但扩展名是bat或exe的可执行文件，那么这个可执行文件将被启动。以下产品和版本受到影响：Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6。

AI Predicted 5.3 Difficulty: Easy EPSS 1.25% · P67
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I. Basic Information for CVE-2020-35112

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
If a user downloaded a file lacking an extension on Windows, and then "Open"-ed it from the downloads panel, if there was an executable file in the downloads directory with the same name but with an executable extension (such as .bat or .exe) that executable would have been launched instead. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. 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，如果用户在Windows上下载了一个没有扩展名的文件，然后在下载面板中“打开”它，如果下载目录中有一个同名但扩展名是bat或exe的可执行文件，那么这个可执行文件将被启动。以下产品和版本受到影响：Firefox < 84, Thunderbird < 78.6, and 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-2020-35112

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III. Intelligence Information for CVE-2020-35112

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Vendor Advisories for CVE-2020-35112 (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-2020-35111 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-2020-35112

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