CVE-2020-24722
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I. Basic Information for CVE-2020-24722
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An issue was discovered in the GAEN (aka Google/Apple Exposure Notifications) protocol through 2020-10-05, as used in COVID-19 applications on Android and iOS. The encrypted metadata block with a TX value lacks a checksum, allowing bitflipping to amplify a contamination attack. This can cause metadata deanonymization and risk-score inflation. NOTE: the vendor's position is "We do not believe that TX power authentication would be a useful defense against relay attacks.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
GAEN 协议安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GAEN是一个隐私保护的接触者追踪项目，由Apple和Google共同开发的框架和协议规范，用于促进COVID-19大流行期间的数字接触者追踪。 GAEN 协议存在安全漏洞，该漏洞源于加密的元数据块TX价值缺乏一个校验和,允许bitflipping扩大污染攻击。这可能会导致元数据deanonymization和风险分数膨胀。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
II. Public POCs for CVE-2020-24722
| # | POC Description | Source Link | Shenlong Link |
|---|
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- http://seclists.org/fulldisclosure/2020/Oct/12x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2020-24722
Same Patch Batch · n/a · 2020-10-07 · 17 CVEs total
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| CVE-2020-26870 | DOMPurify 跨站脚本漏洞 | |
| CVE-2020-17551 | ImpressCMS 跨站脚本漏洞 | |
| CVE-2020-26876 | WordPress 安全漏洞 | |
| CVE-2020-26880 | Sympa 安全漏洞 | |
| CVE-2020-26164 | kdeconnect-kde 资源管理错误漏洞 | |
| CVE-2020-25768 | Contao 输入验证错误漏洞 | |
| CVE-2020-25867 | SOPlanning 授权问题漏洞 | |
| CVE-2020-15501 | Smarter Coffee Maker 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2020-24722
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