CVE-2016-5697 — Vulnerability in ruby-saml — CVE Details

HIGH

Ruby-saml allows attackers to perform XML signature wrapping attacks

Published August 21, 2018Updated February 16, 2024Source: osv

Summary

ruby-saml prior to version 1.3.0 is vulnerable to an XML signature wrapping attack in the specific scenario where there was a signature that referenced at the same time 2 elements (but past the scheme validator process since 1 of the element was inside the encrypted assertion). ruby-saml users must update to 1.3.0, which implements 3 extra validations to mitigate this kind of attack.

Advisory Timeline

First published August 21, 2018 (2974 days ago).
Last revised February 16, 2024 — 2005 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Bundler

Update ruby-saml to 1.3.0 or later

gem install ruby-saml -v 1.3.0

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: rubygems (1).

Package	Ecosystem	Affected	Fixed In
ruby-saml	rubygems	0.0.5, 0.0.6, 0.0.7, 0.0.8 (+54 more)	1.3.0

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CWE-91
View on MITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

Frequently Asked Questions

What is CVE-2016-5697?: Ruby-saml allows attackers to perform XML signature wrapping attacks This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
How do I check if my project is affected by CVE-2016-5697?: CVE-2016-5697 affects ruby-saml. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2016-5697 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score

7.5

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-36p7-xjw8-h6f2

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