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CVE-2021-29958

Quick assessment

Affected
Mozilla Firefox for iOS
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.

github firefox-ios是github开源的一个应用程序。提供了适用于 iOS 的 Firefox。 github firefox-ios 存在信息泄露漏洞，该漏洞源于应用程序在私有浏览时输出了过多的数据。客户端启动下载时，没有检查是正常浏览模式还是隐私浏览模式，导致隐私模式cookies在正常浏览模式下被共享。该漏洞允许远程攻击者访问敏感信息。以下产品和版本受到影响：Firefox for iOS版本:8.0、9.0、10.0、11.0、12.0、13.0、14.0、15.0、16.0、17

AI Predicted 4.3 Difficulty: Easy EPSS 0.67% · P49

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2021-29958

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
When a download was initiated, the client did not check whether it was in normal or private browsing mode, which led to private mode cookies being shared in normal browsing mode. This vulnerability affects Firefox for iOS < 34.
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
github firefox-ios 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
github firefox-ios是github开源的一个应用程序。提供了适用于 iOS 的 Firefox。 github firefox-ios 存在信息泄露漏洞，该漏洞源于应用程序在私有浏览时输出了过多的数据。客户端启动下载时，没有检查是正常浏览模式还是隐私浏览模式，导致隐私模式cookies在正常浏览模式下被共享。该漏洞允许远程攻击者访问敏感信息。以下产品和版本受到影响：Firefox for iOS版本:8.0、9.0、10.0、11.0、12.0、13.0、14.0、15.0、16.0、17
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 for iOS unspecified ~ 34 -

II. Public POCs for CVE-2021-29958

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III. Intelligence Information for CVE-2021-29958

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Vendor Advisories for CVE-2021-29958 (1)

Same Patch Batch · Mozilla · 2021-06-24 · 37 CVEs total

CVE-2021-23999 Mozilla Firefox 安全漏洞
CVE-2021-29948 Mozilla Thunderbird 竞争条件问题漏洞
CVE-2021-29947 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-29946 Mozilla Firefox 输入验证错误漏洞
CVE-2021-29945 Mozilla Thunderbird 安全漏洞
CVE-2021-29944 Mozilla Firefox 和 Thunderbird 跨站脚本漏洞
CVE-2021-24002 Mozilla Thunderbird 注入漏洞
CVE-2021-24001 Mozilla Firefox 权限许可和访问控制问题漏洞
CVE-2021-24000 Mozilla Firefox 竞争条件问题漏洞
CVE-2021-29949 Mozilla Thunderbird 代码问题漏洞
CVE-2021-23998 Mozilla Firefox 数据伪造问题漏洞
CVE-2021-23997 Mozilla Firefox 资源管理错误漏洞
CVE-2021-23996 Mozilla Firefox和Mozilla Thunderbird 安全漏洞
CVE-2021-23995 Mozilla Thunderbird 资源管理错误漏洞
CVE-2021-23994 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-23993 Mozilla Thunderbird 数据伪造问题漏洞
CVE-2021-23992 Mozilla Thunderbird 数据伪造问题漏洞
CVE-2021-23991 Mozilla Thunderbird 安全漏洞
CVE-2021-29959 Mozilla Firefox权限许可和访问控制问题漏洞
CVE-2021-29967 Mozilla Firefox 缓冲区错误漏洞

Showing top 20 of 37 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Firefox for iOS
Same vendor: Mozilla

V. Comments for CVE-2021-29958

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