CVE-2024-45409

NameCVE-2024-45409
DescriptionThe Ruby SAML library is for implementing the client side of a SAML authorization. Ruby-SAML in <= 12.2 and 1.13.0 <= 1.16.0 does not properly verify the signature of the SAML Response. An unauthenticated attacker with access to any signed saml document (by the IdP) can thus forge a SAML Response/Assertion with arbitrary contents. This would allow the attacker to log in as arbitrary user within the vulnerable system. This vulnerability is fixed in 1.17.0 and 1.12.3.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3949-1, DSA-5774-1
Debian Bugs1081560

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ruby-saml (PTS)bullseye1.11.0-1vulnerable
bullseye (security)1.11.0-1+deb11u3fixed
bookworm, bookworm (security)1.13.0-1+deb12u1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ruby-samlsourcebullseye1.11.0-1+deb11u1DLA-3949-1
ruby-samlsourcebookworm1.13.0-1+deb12u1DSA-5774-1
ruby-samlsource(unstable)1.17.0-11081560

Notes

https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-jw9c-mfg7-9rx2
https://github.com/SAML-Toolkits/ruby-saml/commit/1ec5392bc506fe43a02dbb66b68741051c5ffeae (v1.12.3)
https://github.com/SAML-Toolkits/ruby-saml/commit/4865d030cae9705ee5cdb12415c654c634093ae7 (v1.17.0)
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