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CVE-2020-9708— GHSL-2020-133: Insufficient validation of user input in resolveRepositoryPath function

Quick assessment

Affected
Adobe Helix
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.

Git是一套免费、开源的分布式版本控制系统。 git-server 1.3.1之前版本中存在路径遍历漏洞。该漏洞源于网络系统或产品未能正确地过滤资源或文件路径中的特殊元素。攻击者可利用该漏洞访问受限目录之外的位置。

CVSS 5.9 · Medium EPSS 2.94% · P86

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2020-9708

Vulnerability Information
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Vulnerability Title
GHSL-2020-133: Insufficient validation of user input in resolveRepositoryPath function
Source: CVE Program / CVE List V5
Vulnerability Description
The resolveRepositoryPath function doesn't properly validate user input and a malicious user may traverse to any valid Git repository outside the repoRoot. This issue may lead to unauthorized access of private Git repositories as long as the malicious user knows or brute-forces the location of the repository.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
路径遍历：’../filedir’
Source: CVE Program / CVE List V5
Vulnerability Title
git-server 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Git是一套免费、开源的分布式版本控制系统。 git-server 1.3.1之前版本中存在路径遍历漏洞。该漏洞源于网络系统或产品未能正确地过滤资源或文件路径中的特殊元素。攻击者可利用该漏洞访问受限目录之外的位置。
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
Adobe Helix unspecified ~ 1.3.1 -

II. Public POCs for CVE-2020-9708

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III. Intelligence Information for CVE-2020-9708

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Vendor Advisories for CVE-2020-9708 (1)

IV. Related Vulnerabilities

Same vendor: Adobe
Same weakness: CWE-24

V. Comments for CVE-2020-9708

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