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CVE-2021-29983

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存在资源管理错误漏洞，该漏洞的存在是由于应用程序内部资源管理不当造成的。Android版本的Firefox可能会在全屏模式下卡住，甚至在正常的交互之后也不会退出。远程攻击者可利用该漏洞可以滥用这一点来欺骗受害者透露敏感信息。该漏洞允许远程攻击者可利用该漏洞执行点击劫持攻击。

AI Predicted 5.0 Difficulty: Trivial EPSS 0.69% · P50

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-29983

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Firefox for Android could get stuck in fullscreen mode and not exit it even after normal interactions that should cause it to exit. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 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 资源管理错误漏洞
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存在资源管理错误漏洞，该漏洞的存在是由于应用程序内部资源管理不当造成的。Android版本的Firefox可能会在全屏模式下卡住，甚至在正常的交互之后也不会退出。远程攻击者可利用该漏洞可以滥用这一点来欺骗受害者透露敏感信息。该漏洞允许远程攻击者可利用该漏洞执行点击劫持攻击。
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 -

II. Public POCs for CVE-2021-29983

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III. Intelligence Information for CVE-2021-29983

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Vendor Advisories for CVE-2021-29983 (2)

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-2021-29987 Mozilla Firefox 安全漏洞
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-2021-29982 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-2021-29983

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