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CVE-2020-35113

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 存在缓冲区错误漏洞，该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等从而引起代码执行。以下产品和版本受到影响：Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6。

AI Predicted 8.8 Difficulty: Moderate EPSS 1.33% · P69

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2020-35113

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Mozilla developers reported memory safety bugs present in Firefox 83 and Firefox ESR 78.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
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 缓冲区错误漏洞
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 存在缓冲区错误漏洞，该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等从而引起代码执行。以下产品和版本受到影响：Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6。
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 ~ 84 -
Mozilla Thunderbird unspecified ~ 78.6 -
Mozilla Firefox ESR unspecified ~ 78.6 -

II. Public POCs for CVE-2020-35113

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III. Intelligence Information for CVE-2020-35113

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Vendor Advisories for CVE-2020-35113 (4)

Same Patch Batch · Mozilla · 2021-01-07 · 13 CVEs total

CVE-2020-26971 Mozilla Firefox 缓冲区错误漏洞
CVE-2020-26972 Mozilla Firefox 资源管理错误漏洞
CVE-2020-26973 Mozilla Firefox 安全漏洞
CVE-2020-26974 Mozilla Firefox 缓冲区错误漏洞
CVE-2020-26975 Mozilla Firefox 安全漏洞
CVE-2020-26976 Mozilla Firefox 安全漏洞
CVE-2020-26977 Mozilla Firefox 安全漏洞
CVE-2020-26978 Mozilla Firefox 信息泄露漏洞
CVE-2020-26979 Mozilla Firefox 输入验证错误漏洞
CVE-2020-35111 Mozilla Firefox 安全漏洞
CVE-2020-35112 Mozilla Firefox 安全漏洞
CVE-2020-35114 Mozilla Firefox 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2020-35113

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