CVE-2017-11427

Upstream information

CVE-2017-11427 at MITRE

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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having critical severity.

CVSS v2 Scores
	National Vulnerability Database
Base Score	7.5
Vector	AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector	Network
Access Complexity	Low
Authentication	None
Confidentiality Impact	Partial
Integrity Impact	Partial
Availability Impact	Partial

CVSS v3 Scores
	National Vulnerability Database	SUSE
Base Score	9.8	9.8
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Access Vector	Network	Network
Access Complexity	Low	Low
Privileges Required	None	None
User Interaction	None	None
Scope	Unchanged	Unchanged
Confidentiality Impact	High	High
Integrity Impact	High	High
Availability Impact	High	High
CVSSv3 Version	3	3.1

SUSE Bugzilla entry: 1180767 [RESOLVED / FIXED]

SUSE Security Advisories:

SUSE-SU-2021:0048-1, published Fri Jan 8 10:18:07 MST 2021

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Enterprise Storage 6	`python-defusedxml >= 0.6.0-1.5.1` `python-freezegun >= 0.3.12-1.5.1` `python-isodate >= 0.6.0-1.3.2` `python-pkgconfig >= 1.5.1-1.5.1` `python-python3-saml >= 1.9.0-1.5.2` `python-xmlsec >= 1.3.6-1.5.1` `python3-defusedxml >= 0.6.0-1.5.1` `python3-freezegun >= 0.3.12-1.5.1` `python3-isodate >= 0.6.0-1.3.2` `python3-pkgconfig >= 1.5.1-1.5.1` `python3-python3-saml >= 1.9.0-1.5.2` `python3-xmlsec >= 1.3.6-1.5.1`	Patchnames: SUSE-Storage-6-2021-48
SUSE Linux Enterprise Module for Basesystem 15 SP2	`python3-python3-saml >= 1.7.0-1.45`

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.