High severityNVD Advisory· Published Apr 17, 2019· Updated Aug 5, 2024
Multiple SAML libraries may allow authentication bypass via incorrect XML canonicalization and DOM traversal
CVE-2017-11427
Description
OneLogin PythonSAML 2.3.0 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attack to potentially bypass authentication to SAML service providers.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
python-samlPyPI | < 2.4.0 | 2.4.0 |
Affected products
9- ghsa-coords8 versionspkg:pypi/python-samlpkg:rpm/opensuse/python-python3-saml&distro=openSUSE%20Tumbleweedpkg:rpm/suse/python-defusedxml&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/python-freezegun&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/python-isodate&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/python-pkgconfig&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/python-python3-saml&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/python-xmlsec&distro=SUSE%20Enterprise%20Storage%206
< 2.4.0+ 7 more
- (no CPE)range: < 2.4.0
- (no CPE)range: < 1.15.0-2.3
- (no CPE)range: < 0.6.0-1.5.1
- (no CPE)range: < 0.3.12-1.5.1
- (no CPE)range: < 0.6.0-1.3.2
- (no CPE)range: < 1.5.1-1.5.1
- (no CPE)range: < 1.9.0-1.5.2
- (no CPE)range: < 1.3.6-1.5.1
- Range: unspecified
Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-j8j8-348v-wfm3ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2017-11427ghsaADVISORY
- duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementationsghsax_refsource_MISCWEB
- github.com/SAML-Toolkits/python-saml/commit/fad881b4432febea69d70691dfed51c93f0de10fghsaWEB
- github.com/pypa/advisory-database/tree/main/vulns/python-saml/PYSEC-2019-198.yamlghsaWEB
- www.kb.cert.org/vuls/id/475445ghsax_refsource_MISCWEB
News mentions
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