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Bug 1524420 - (CVE-2017-1000246) CVE-2017-1000246 python-pysaml2: Reuse of AES initialization vector in AESCipher
CVE-2017-1000246 python-pysaml2: Reuse of AES initialization vector in AESCipher
Status: CLOSED WONTFIX
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20170524,reported=2...
: Security
Depends On: 1516163
Blocks: 1524421
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Reported: 2017-12-11 08:23 EST by Andrej Nemec
Modified: 2018-05-14 08:16 EDT (History)
17 users (show)

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Last Closed: 2018-01-04 00:49:55 EST
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Description Andrej Nemec 2017-12-11 08:23:34 EST 
It was found that python package pysaml2 version 4.4.0 and earlier reuses the initialization vector across encryptions in the IDP server, resulting in weak encryption of data.

Upstream issue:

https://github.com/rohe/pysaml2/issues/417
Comment 1 Andrej Nemec 2017-12-11 08:24:14 EST 
Created python-pysaml2 tracking bugs for this issue:

Affects: fedora-all [bug 1516163]
Comment 3 Andrej Nemec 2018-05-14 08:16:40 EDT 
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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