High severity7.7NVD Advisory· Published Apr 17, 2019· Updated Jun 17, 2026
CVE-2017-11427
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
python-samlPyPI | < 2.4.0 | 2.4.0 |
Affected products
10- 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
unspecified+ 1 more
- (no CPE)range: unspecified
- cpe:2.3:a:onelogin:pythonsaml:*:*:*:*:*:*:*:*range: <=2.3.0
Patches
Vulnerability mechanics
References
6- duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementationsnvdExploitTechnical DescriptionThird Party AdvisoryWEB
- github.com/advisories/GHSA-j8j8-348v-wfm3ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2017-11427ghsaADVISORY
- www.kb.cert.org/vuls/id/475445nvdThird Party AdvisoryUS Government ResourceWEB
- github.com/SAML-Toolkits/python-saml/commit/fad881b4432febea69d70691dfed51c93f0de10fghsaWEB
- github.com/pypa/advisory-database/tree/main/vulns/python-saml/PYSEC-2019-198.yamlghsaWEB
News mentions
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