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CVE-2021-38497

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 存在访问控制错误漏洞，该漏洞源于通过使用reportValidity（）和window.open（）函数，纯文本验证消息可能会覆盖在另一个源上，从而导致可能的用户混淆和欺骗攻击

AI Predicted 4.3 Difficulty: Easy EPSS 0.53% · P43

Possible ATT&CK Techniques 1 AI

T1539 · Steal Web Session Cookie
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I. Basic Information for CVE-2021-38497

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid on another origin, leading to possible user confusion and spoofing attacks. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.
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 访问控制错误漏洞
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 存在访问控制错误漏洞，该漏洞源于通过使用reportValidity（）和window.open（）函数，纯文本验证消息可能会覆盖在另一个源上，从而导致可能的用户混淆和欺骗攻击
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 ~ 93 -
Mozilla Thunderbird unspecified ~ 91.2 -
Mozilla Firefox ESR unspecified ~ 91.2 -

II. Public POCs for CVE-2021-38497

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III. Intelligence Information for CVE-2021-38497

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Vendor Advisories for CVE-2021-38497 (4)

Same Patch Batch · Mozilla · 2021-11-03 · 14 CVEs total

CVE-2021-38502 Mozilla Thunderbird 安全漏洞
CVE-2021-38501 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-38500 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-38499 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-38498 Mozilla Firefox 资源管理错误漏洞
CVE-2021-38496 Mozilla Firefox MessageTask 资源管理错误漏洞
CVE-2021-38495 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-38494 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-38493 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-38492 Mozilla Firefox 输入验证错误漏洞
CVE-2021-38491 Mozilla Firefox 权限许可和访问控制问题漏洞
CVE-2021-29993 Mozilla Firefox 权限许可和访问控制问题漏洞
CVE-2021-29991 Mozilla Firefox和Mozilla Thunderbird 安全漏洞

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2021-38497

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