Guzzle OAuth Subscriber signs Guzzle requests using OAuth 1.0. Prior to 0.8.1, Nonce generation does not use sufficient entropy nor a cryptographically secure pseudorandom source. This can leave servers vulnerable to replay attacks when TLS is not used. This vulnerability is fixed in 0.8.1.

Metrics

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00205.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

No data.

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-0003 Guzzle OAuth Subscriber signs Guzzle requests using OAuth 1.0. Prior to 0.8.1, Nonce generation does not use sufficient entropy nor a cryptographically secure pseudorandom source. This can leave servers vulnerable to replay attacks when TLS is not used. This vulnerability is fixed in 0.8.1.
Github GHSA Github GHSA GHSA-237r-r8m4-4q88 Guzzle OAuth Subscriber has insufficient nonce entropy
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/guzzle/oauth-subscriber/blob/0.8.0/src/Oauth1.php#L192 cve-icon cve-icon
https://github.com/guzzle/oauth-subscriber/commit/92b619b03bd21396e51c62e6bce83467d2ce8f53 cve-icon cve-icon
https://github.com/guzzle/oauth-subscriber/releases/tag/0.8.1 cve-icon cve-icon
https://github.com/guzzle/oauth-subscriber/security/advisories/GHSA-237r-r8m4-4q88 cve-icon cve-icon
History

Mon, 06 Jan 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 06 Jan 2025 19:30:00 +0000

Type Values Removed Values Added
Description Guzzle OAuth Subscriber signs Guzzle requests using OAuth 1.0. Prior to 0.8.1, Nonce generation does not use sufficient entropy nor a cryptographically secure pseudorandom source. This can leave servers vulnerable to replay attacks when TLS is not used. This vulnerability is fixed in 0.8.1.
Title Guzzle OAuth Subscriber has insufficient nonce entropy
Weaknesses CWE-338
References
Metrics cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-01-06T19:42:17.597Z

Reserved: 2024-12-29T03:00:24.713Z

Link: CVE-2025-21617

cve-icon Vulnrichment

Updated: 2025-01-06T19:42:13.946Z

cve-icon NVD

Status : Received

Published: 2025-01-06T20:15:39.453

Modified: 2025-01-06T20:15:39.453

Link: CVE-2025-21617

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.