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CVE-2020-26279— Path traversal

Quick assessment

Affected
ipfs go-ipfs
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.

Steven Allen go-ipfs是 Steven Allen开源的一个应用程序。一个全局的，版本化的对等文件系统。 go-ipfs before version 0.8.0-rc1 存在安全漏洞，检索过程中可能会使用包含相对路径的dag进行路径遍历。这可能会导致文件被覆盖，或写入到不正确的输出目录。

CVSS 7.7 · High EPSS 1.70% · P76
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I. Basic Information for CVE-2020-26279

Vulnerability Information
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Vulnerability Title
Path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
go-ipfs is an open-source golang implementation of IPFS which is a global, versioned, peer-to-peer filesystem. In go-ipfs before version 0.8.0-rc1, it is possible for path traversal to occur with DAGs containing relative paths during retrieval. This can cause files to be overwritten, or written to incorrect output directories. The issue can only occur when a get is done on an affected DAG. This is fixed in version 0.8.0-rc1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Steven Allen go-ipfs 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Steven Allen go-ipfs是 Steven Allen开源的一个应用程序。一个全局的，版本化的对等文件系统。 go-ipfs before version 0.8.0-rc1 存在安全漏洞，检索过程中可能会使用包含相对路径的dag进行路径遍历。这可能会导致文件被覆盖，或写入到不正确的输出目录。
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
ipfs go-ipfs < 0.8.0-rc1 -

II. Public POCs for CVE-2020-26279

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III. Intelligence Information for CVE-2020-26279

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Patches & Fixes for CVE-2020-26279 (2)

Vendor Advisories for CVE-2020-26279 (1)

IV. Related Vulnerabilities

Same product: go-ipfs
Same vendor: ipfs
Same weakness: CWE-22

V. Comments for CVE-2020-26279

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