Bug 1516162 (CVE-2017-1000433) - CVE-2017-1000433 python-pysaml2: Access restriction bypass
Summary: CVE-2017-1000433 python-pysaml2: Access restriction bypass
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2017-1000433
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1516163
Blocks: 1516164
TreeView+ depends on / blocked
 
Reported: 2017-11-22 08:04 UTC by Andrej Nemec
Modified: 2021-02-17 01:13 UTC (History)
17 users (show)

Fixed In Version: python-pysaml2 4.5.0
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Clone Of:
Environment:
Last Closed: 2018-01-02 23:17:30 UTC
Embargoed:


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Description Andrej Nemec 2017-11-22 08:04:29 UTC
It was found that the UsernamePasswordMako class relies on an assert statement to check the user's password. A python optimizations might remove this assertion, making the authentication form accept any password for any user.

Upstream issue:

https://github.com/rohe/pysaml2/issues/451

Upstream patch:

https://github.com/rohe/pysaml2/commit/6312a41e037954850867f29d329e5007df1424a5

Comment 1 Andrej Nemec 2017-11-22 08:05:51 UTC
Created python-pysaml2 tracking bugs for this issue:

Affects: fedora-all [bug 1516163]

Comment 3 Andrej Nemec 2018-05-14 12:16:30 UTC
Statement:

Red Hat Product Security has rated this issue as having security impact of Low for:
* Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7
* Red Hat OpenStack Platform 8.0 (Liberty)
* Red Hat OpenStack Platform 9.0 (Mitaka)
* Red Hat OpenStack Platform 10.0 (Newton) 
* Red Hat OpenStack Platform 11.0 (Ocata)
* Red Hat OpenStack Platform 12.0 (Pike)

Although the affected code is present in shipped packages, python-pysaml2 is included only as a dependency of other packages. The affected code cannot be reached in any supported configuration of Red Hat OpenStack Platform.

This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.


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