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CWE

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CVE-2025-1211

Published: Feb 11, 2025

Modified: Mar 16, 2025

PUBLISHED

CVSS v3.1

6.5

MEDIUM

Description

Versions of the package hackney before 1.21.0 are vulnerable to Server-side Request Forgery (SSRF) due to improper parsing of URLs by URI built-in module and hackey. Given the URL http://[email protected]/, the URI function will parse and see the host as 127.0.0.1 (which is correct), and hackney will refer the host as 127.2.2.2/. This vulnerability can be exploited when users rely on the URL function for host checking.

Vendor	Product	Versions
n/a	hackney	affected `0 - < 1.21.0`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L/E:P

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

References

https://security.snyk.io/vuln/SNYK-HEX-HACKNEY-6516131

https://gist.github.com/snoopysecurity/996de09ec0cfd0ebdcfdda8ff515deb1

https://www.blackhat.com/docs/us-17/thursday/us-17-Tsai-A-New-Era-Of-SSRF-Exploiting-URL-Parser-In-Trending-Programming-Languages.pdf

https://github.com/benoitc/hackney/commit/9594ce58fabd32cd897fc28fae937694515a3d4a

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