CVE - CVE-2025-25293

CVE-ID
CVE-2025-25293	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
ruby-saml provides security assertion markup language (SAML) single sign-on (SSO) for Ruby. Prior to versions 1.12.4 and 1.18.0, ruby-saml is susceptible to remote Denial of Service (DoS) with compressed SAML responses. ruby-saml uses zlib to decompress SAML responses in case they're compressed. It is possible to bypass the message size check with a compressed assertion since the message size is checked before inflation and not after. This issue may lead to remote Denial of Service (DoS). Versions 1.12.4 and 1.18.0 fix the issue.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://about.gitlab.com/releases/2025/03/12/patch-release-gitlab-17-9-2-released URL:https://about.gitlab.com/releases/2025/03/12/patch-release-gitlab-17-9-2-released MISC:https://github.blog/security/sign-in-as-anyone-bypassing-saml-sso-authentication-with-parser-differentials URL:https://github.blog/security/sign-in-as-anyone-bypassing-saml-sso-authentication-with-parser-differentials MISC:https://github.com/SAML-Toolkits/ruby-saml/commit/acac9e9cc0b9a507882c614f25d41f8b47be349a URL:https://github.com/SAML-Toolkits/ruby-saml/commit/acac9e9cc0b9a507882c614f25d41f8b47be349a MISC:https://github.com/SAML-Toolkits/ruby-saml/commit/e2da4c6dae7dc01a4d9cd221395140a67e2b3eb1 URL:https://github.com/SAML-Toolkits/ruby-saml/commit/e2da4c6dae7dc01a4d9cd221395140a67e2b3eb1 MISC:https://github.com/SAML-Toolkits/ruby-saml/releases/tag/v1.12.4 URL:https://github.com/SAML-Toolkits/ruby-saml/releases/tag/v1.12.4 MISC:https://github.com/SAML-Toolkits/ruby-saml/releases/tag/v1.18.0 URL:https://github.com/SAML-Toolkits/ruby-saml/releases/tag/v1.18.0 MISC:https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-92rq-c8cf-prrq URL:https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-92rq-c8cf-prrq MISC:https://github.com/omniauth/omniauth-saml/security/advisories/GHSA-hw46-3hmr-x9xv URL:https://github.com/omniauth/omniauth-saml/security/advisories/GHSA-hw46-3hmr-x9xv
Assigning CNA
GitHub (maintainer security advisories)
Date Record Created
20250206	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250206)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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