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CVE-2023-3348— Directory traversal vulnerability in Cloudflare Wrangler

Quick assessment

Affected
Cloudflare Wrangler
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.

Cloudflare Wrangler是Cloudflare公司的一个存储库。 Wrangler 3.1.1之前版本存在路径遍历漏洞，该漏洞源于在运行 Pages 的本地开发服务器（wrangler Pages dev 命令）时容易受到目录遍历漏洞的影响， 攻击者利用该漏洞可以连接到本地开发服务器并访问开发服务器目录之外的文件。

CVSS 5.7 · Medium EPSS 0.82% · P56
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I. Basic Information for CVE-2023-3348

Vulnerability Information
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Vulnerability Title
Directory traversal vulnerability in Cloudflare Wrangler
Source: CVE Program / CVE List V5
Vulnerability Description
The Wrangler command line tool  (<=wrangler@3.1.0 or <=wrangler@2.20.1) was affected by a directory traversal vulnerability when running a local development server for Pages (wrangler pages dev command). This vulnerability enabled an attacker in the same network as the victim to connect to the local development server and access the victim's files present outside of the directory for the development server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/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
Cloudflare Wrangler 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cloudflare Wrangler是Cloudflare公司的一个存储库。 Wrangler 3.1.1之前版本存在路径遍历漏洞，该漏洞源于在运行 Pages 的本地开发服务器（wrangler Pages dev 命令）时容易受到目录遍历漏洞的影响， 攻击者利用该漏洞可以连接到本地开发服务器并访问开发服务器目录之外的文件。
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
Cloudflare Wrangler 3 ~ 3.1.1 -

II. Public POCs for CVE-2023-3348

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III. Intelligence Information for CVE-2023-3348

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Vendor Advisories for CVE-2023-3348 (1)

Other References for CVE-2023-3348 (1)

Same Patch Batch · Cloudflare · 2023-08-03 · 3 CVEs total

CVE-2023-2754 7.4 HIGH Plaintext transmission of DNS requests in Windows 1.1.1.1 WARP client
CVE-2023-3766 5.9 MEDIUM Invalid Slice Split Results in Server Panic

IV. Related Vulnerabilities

Same product: Wrangler
Same vendor: Cloudflare
Same weakness: CWE-22

V. Comments for CVE-2023-3348

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