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CVE-2025-0167— netrc and default credential leak

Quick assessment

Affected
curl curl
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.

curl是cURL开源的一款用于从服务器传输数据或向服务器传输数据的工具。 curl 7.76.0至8.11.1版本存在安全漏洞，该漏洞源于在使用.netrc文件并跟随HTTP重定向时，在某些情况下可能将密码泄露到重定向的目标主机。

AI Predicted 5.3 Difficulty: Easy EPSS 0.67% · P49

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2025-0167

Vulnerability Information
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Vulnerability Title
netrc and default credential leak
Source: CVE Program / CVE List V5
Vulnerability Description
When asked to use a `.netrc` file for credentials **and** to follow HTTP redirects, curl could leak the password used for the first host to the followed-to host under certain circumstances. This flaw only manifests itself if the netrc file has a `default` entry that omits both login and password. A rare circumstance.
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
curl 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
curl是cURL开源的一款用于从服务器传输数据或向服务器传输数据的工具。 curl 7.76.0至8.11.1版本存在安全漏洞，该漏洞源于在使用.netrc文件并跟随HTTP重定向时，在某些情况下可能将密码泄露到重定向的目标主机。
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
curl curl 8.11.1 ~ 8.11.1 -

II. Public POCs for CVE-2025-0167

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III. Intelligence Information for CVE-2025-0167

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Vendor Advisories for CVE-2025-0167 (1)

Same Patch Batch · curl · 2025-02-05 · 3 CVEs total

CVE-2025-0665 eventfd double close
CVE-2025-0725 gzip integer overflow

IV. Related Vulnerabilities

Same product: curl
Same vendor: curl

V. Comments for CVE-2025-0167

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