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Bug 1172729 - (CVE-2014-8112) CVE-2014-8112 389-ds-base: password hashing bypassed when "nsslapd-unhashed-pw-switch" is set to off
CVE-2014-8112 389-ds-base: password hashing bypassed when "nsslapd-unhashed-p...
Status: CLOSED ERRATA
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=20150305,reported=2...
: Security
Depends On: 1172730 1172731 1199675
Blocks: 1168154
  Show dependency treegraph
 
Reported: 2014-12-10 10:54 EST by Vasyl Kaigorodov
Modified: 2015-03-06 19:11 EST (History)
5 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
It was found that when the nsslapd-unhashed-pw-switch 389 Directory Server configuration option was set to "off", it did not prevent the writing of unhashed passwords into the Changelog. This could potentially allow an authenticated user able to access the Changelog to read sensitive information.
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Clone Of:
Environment:
Last Closed: 2015-03-05 15:11:17 EST
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CRM:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
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Attachments (Terms of Use)


External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2015:0416 normal SHIPPED_LIVE Important: 389-ds-base security, bug fix, and enhancement update 2015-03-05 09:26:33 EST

  None (edit)
Description Vasyl Kaigorodov 2014-12-10 10:54:44 EST
Ludwig Krispenz from Red Hat reported that there is a configuration switch to prevent writing unhashed passwords into the changelogs. Unfortunately if the switch is turned on the attribute unhashed#user#password is not written to the changelog, but the hashing of the attribute value itself is also bypassed.

Versions affected are 389 versions 1.3.1 and later, this means RHEL7.0 and later and Fedora20 and later.

The severity seems to be limited, since:
- the option is not widely known and advertised and only available in a recent version
- the access to the userpassword attribute is usually protected by acis not to be readable

Statement:

This issue did not affect the versions of 389-ds-base as shipped with Red Hat Enterprise Linux 6.
Comment 2 Martin Prpič 2015-02-16 03:25:46 EST
Acknowledgement:

This issue was discovered by Ludwig Krispenz of the Red Hat Identity Management Engineering Team.
Comment 3 errata-xmlrpc 2015-03-05 04:40:08 EST
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2015:0416 https://rhn.redhat.com/errata/RHSA-2015-0416.html
Comment 5 Kurt Seifried 2015-03-06 19:11:22 EST
Created 389-ds-base tracking bugs for this issue:

Affects: fedora-all [bug 1199675]

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