PT-2019-7878 · Onelogin · Pythonsaml

Kelby Ludwig · Published 2019-04-17 · Updated 2024-07-12 · CVE-2017-11427

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions OneLogin PythonSAML versions 2.3.0 and earlier

Description The issue may allow an attacker to manipulate SAML data without invalidating its cryptographic signature, potentially bypassing authentication to SAML service providers. This is due to incorrect utilization of XML DOM traversal and canonicalization APIs.

Recommendations For versions 2.3.0 and earlier, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2017-11427

GHSA-J8J8-348V-WFM3

OPENSUSE-SU-2024:11262-1

OPENSUSE-SU-2024:14159-1

PYSEC-2019-198

SUSE-SU-2021:0048-1

Affected Products

Pythonsaml

References · 18

• 🔥 https://github.com/CHYbeta/CVE-2017-11427-DEMO · Exploit
• 🔥 https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations · Exploit
• https://osv.dev/vulnerability/CVE-2017-11427 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:0048-1 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2019-198 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-11427 · Security Note
• https://osv.dev/vulnerability/GHSA-j8j8-348v-wfm3 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:14159-1 · Vendor Advisory
• https://github.com/SAML-Toolkits/python-saml/commit/fad881b4432febea69d70691dfed51c93f0de10f · Note
• https://github.com/SAML-Toolkits/python-saml · Note
• https://github.com/pypa/advisory-database/tree/main/vulns/python-saml/PYSEC-2019-198.yaml · Note
• https://github.com/advisories/GHSA-j8j8-348v-wfm3 · Note
• https://kb.cert.org/vuls/id/475445 · Note
• https://bugzilla.suse.com/1019074 · Note
• https://suse.com/security/cve/CVE-2017-11427 · Note