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CVE-2021-29987

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，该漏洞的存在是由于Firefox显示权限面板的方式。在请求多个权限后，并关闭第一个权限面板，后续的权限面板将显示在不同的位置，但仍然记录在默认位置的点击，使其有可能欺骗用户接受他们不想要的权限。

AI Predicted 5.3 Difficulty: Easy EPSS 0.95% · P58
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I. Basic Information for CVE-2021-29987

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. *This bug only affects Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91 and Thunderbird < 91.
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，该漏洞的存在是由于Firefox显示权限面板的方式。在请求多个权限后，并关闭第一个权限面板，后续的权限面板将显示在不同的位置，但仍然记录在默认位置的点击，使其有可能欺骗用户接受他们不想要的权限。
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 ~ 91 -
Mozilla Thunderbird unspecified ~ 91 -

II. Public POCs for CVE-2021-29987

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III. Intelligence Information for CVE-2021-29987

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Vendor Advisories for CVE-2021-29987 (4)

Same Patch Batch · Mozilla · 2021-08-17 · 11 CVEs total

CVE-2021-29990 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-29989 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-29988 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-29986 Mozilla Firefox 竞争条件问题漏洞
CVE-2021-29985 Mozilla Firefox 资源管理错误漏洞
CVE-2021-29984 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-29983 Mozilla Firefox 资源管理错误漏洞
CVE-2021-29982 Mozilla Firefox和Mozilla Thunderbird 安全漏洞
CVE-2021-29981 Mozilla Firefox和Mozilla Thunderbird输入验证错误漏洞
CVE-2021-29980 Mozilla Firefox 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2021-29987

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