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CVE-2017-7843

Quick assessment

Affected
Mozilla Firefox ESR
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和Firefox ESR都是美国Mozilla基金会开发的浏览器产品。Firefox是一款开源Web浏览器；Firefox ESR是Firefox的一个延长支持版本。 Mozilla Firefox ESR 52.5.2之前版本和Firefox 57.0.1之前版本中存在安全漏洞，该漏洞源于在私人浏览模式下IndexedDB仍然可用并且程序不会清除储存在私人浏览模式会话中的数据。攻击者可利用该漏洞向IndexedDB中写入持久数据。

AI Predicted 5.3 Difficulty: Easy EPSS 2.95% · P87

Possible ATT&CK Techniques 2 AI

T1507 T1119 · Automated Collection
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I. Basic Information for CVE-2017-7843

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
When Private Browsing mode is used, it is possible for a web worker to write persistent data to IndexedDB and fingerprint a user uniquely. IndexedDB should not be available in Private Browsing mode and this stored data will persist across multiple private browsing mode sessions because it is not cleared when exiting. This vulnerability affects Firefox ESR < 52.5.2 and Firefox < 57.0.1.
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和Firefox ESR 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox和Firefox ESR都是美国Mozilla基金会开发的浏览器产品。Firefox是一款开源Web浏览器；Firefox ESR是Firefox的一个延长支持版本。 Mozilla Firefox ESR 52.5.2之前版本和Firefox 57.0.1之前版本中存在安全漏洞，该漏洞源于在私人浏览模式下IndexedDB仍然可用并且程序不会清除储存在私人浏览模式会话中的数据。攻击者可利用该漏洞向IndexedDB中写入持久数据。
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 ESR unspecified ~ 52.5.2 -
Mozilla Firefox unspecified ~ 57.0.1 -

II. Public POCs for CVE-2017-7843

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III. Intelligence Information for CVE-2017-7843

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Vendor Advisories for CVE-2017-7843 (8)

Mailing List Discussions for CVE-2017-7843 (1)

Same Patch Batch · Mozilla · 2018-06-11 · 315 CVEs total

CVE-2017-7828 Mozilla Firefox、Firefox ESR和Thunderbird 安全漏洞
CVE-2017-7837 Mozilla Firefox 安全漏洞
CVE-2017-7836 Mozilla Firefox 安全漏洞
CVE-2017-7835 Mozilla Firefox 安全漏洞
CVE-2017-7834 Mozilla Firefox 安全漏洞
CVE-2017-7833 Mozilla Firefox 安全漏洞
CVE-2017-7832 Mozilla Firefox 安全漏洞
CVE-2017-7831 Mozilla Firefox 安全漏洞
CVE-2017-7830 Mozilla Firefox、Firefox ESR和Thunderbird 安全漏洞
CVE-2017-7829 Mozilla Thunderbird 安全漏洞
CVE-2017-7823 Mozilla Firefox、Firefox ESR和Thunderbird 安全漏洞
CVE-2017-7819 Mozilla Firefox、Firefox ESR和Thunderbird 安全漏洞
CVE-2017-7820 Mozilla Firefox 安全漏洞
CVE-2017-7821 Mozilla Firefox 安全漏洞
CVE-2017-7822 Mozilla Firefox 安全漏洞
CVE-2017-7825 Mozilla Firefox、Firefox ESR和Thunderbird for OS X 安全漏洞
CVE-2017-7827 Mozilla Firefox 安全漏洞
CVE-2017-7826 Mozilla Firefox、Firefox ESR和Thunderbird 安全漏洞
CVE-2017-7838 Mozilla Firefox 安全漏洞
CVE-2017-7824 Mozilla Firefox、Firefox ESR和Thunderbird 缓冲区错误漏洞

Showing top 20 of 315 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Firefox ESR
Same vendor: Mozilla

V. Comments for CVE-2017-7843

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