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Date: Wed, 18 Jan 2017 16:22:20 +0100
From: Cedric Buissart <cbuissar@...hat.com>
To: oss-security@...ts.openwall.com
Subject: CVE-2017-2591 389 Directory Server: DoS via OOB heap read in
"attribute uniqueness" plugin
Hi,
This is to disclose the following CVE:
CVE-2017-2591 389 Directory Server: DoS via OOB heap read
Description :
The "attribute uniqueness" plugin did not properly NULL-terminate an array
when building up its configuration, if a so called 'old-style'
configuration, was being used (Using nsslapd-pluginarg<X> parameters) .
A attacker, authenticated, but possibly also unauthenticated, could
possibly force the plugin to read beyond allocated memory and trigger a
segfault.
The crash could also possibly be triggered accidentally.
Upstream patch :
https://fedorahosted.org/389/changeset/ffda694dd622b31277da07be76d3469fad86150f/
Affected versions : from 1.3.4.0
Fixed version : 1.3.6
Impact: Low
CVSS3 scoring : 3.7 -- CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Upstream bug report : https://fedorahosted.org/389/ticket/48986
Best Regards,
--
Cedric Buissart,
Product Security
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