Date: Tue, 01 Jul 2008 11:05:37 -0400 From: Josh Bressers <bressers@...hat.com> To: oss-security@...ts.openwall.com Subject: Re: openldap DoS On 30 June 2008, Josh Bressers wrote: > On 30 June 2008, Ludwig Nussel wrote: > > Hi, > > > > Remote unauthenticated attackers can trigger an assertion in the ASN.1 BER > > decoding of openlap and crash the server: > > http://www.openldap.org/its/index.cgi/Software%20Bugs?id=5580;selectid=5580 > > > > The patch is here it seems: > http://www.openldap.org/devel/cvsweb.cgi/libraries/liblber/io.c.diff?r1=1.120&r2=1.121&hideattic=1&sortbydate=0 > So It seems from my testing, this flaw does not trigger the assertion on OpenLDAP version 2.0.27, but does on at least 2.2.13. As upstream suggested this was added in version 1.88 of the io.c file, that would suggest this flaw should affect OpenLDAP versions after 2.1.20 (don't quote me on this, as I'm not completely sure, it could affect a few older versions around 2.1.20). Thanks. -- JB
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