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CVE Vulnerabilities

CVE-2016-10149

Improper Restriction of XML External Entity Reference

Published: Mar 24, 2017 | Modified: Apr 20, 2025
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
5.3 MODERATE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2016-10149
CWEhttps://cwe.mitre.org/data/definitions/611.html

XML External Entity (XXE) vulnerability in PySAML2 4.4.0 and earlier allows remote attackers to read arbitrary files via a crafted SAML XML request or response.

Weakness

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

Affected Software

NameVendorStart VersionEnd Version
Pysaml2Pysaml2_project*4.4.0 (including)
Red Hat OpenStack Platform 10.0 (Newton)RedHatpython-defusedxml-0:0.5.0-1.el7ost*
Red Hat OpenStack Platform 10.0 (Newton)RedHatpython-pysaml2-0:3.0.2-3.el7ost*
Red Hat OpenStack Platform 8.0 (Liberty)RedHatpython-defusedxml-0:0.5.0-1.el7ost*
Red Hat OpenStack Platform 8.0 (Liberty)RedHatpython-pysaml2-0:3.0.2-3.el7ost*
Red Hat OpenStack Platform 9.0 (Mitaka)RedHatpython-defusedxml-0:0.5.0-1.el7ost*
Red Hat OpenStack Platform 9.0 (Mitaka)RedHatpython-pysaml2-0:3.0.2-3.el7ost*
Python-pysaml2Ubuntudevel*
Python-pysaml2Ubuntuesm-infra/xenial*
Python-pysaml2Ubuntuupstream*
Python-pysaml2Ubuntuxenial*
Python-pysaml2Ubuntuyakkety*
Python-pysaml2Ubuntuzesty*

Potential Mitigations

References

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