openldap-bugs

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20964 discussions

Re: (ITS#8198)
by peter＠adpm.de 08 Aug '15

08 Aug '15

Hi, you may want to have a look at Followup 1 for ITS#8205: I added a manual page for pbkdf2 and adapted it's Makefile to install it too. The commit can be found on my github repo: https://github.com/marschap/openldap/commit/f63202e8aa68e3391f52d2481f649ca… BTW: I successfully tested your nettle patch with by Debian-based server. Thank you! Best Peter -- Peter Marschall peter(a)adpm.de

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(ITS#8205)
by peter＠adpm.de 08 Aug '15

08 Aug '15

Hi, I extended the patch series with a manual page for pbkdf2 * https://github.com/marschap/openldap/commit/f63202e8aa68e3391f52d2481f649ca… contrib/passwd/pbkdf2: add man page, install it too Best Peter -- Peter Marschall peter(a)adpm.de

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(ITS#8214) slapo-rwm silently fails to convert config lines without rwm- prefix to cn=config
by ryan＠openldap.org 08 Aug '15

08 Aug '15

Full_Name: Ryan Tandy Version: OS: URL: Submission from: (NULL) (24.68.37.4) Submitted by: ryan A slapd.conf stanza like: overlay rwm rewriteEngine on works correctly in normal usage. Converting this to cn=config does not emit any olcRwmRewrite values, but succeeds nonetheless. The prefixed version: overlay rwm rwm-rewriteEngine on is converted correctly. In general, cn=config doesn't accept the unprefixed values at all, which is fine, but at least trying to ldapadd such a value returns an error. Considering this unimportant for now since the omitting the prefix is "strongly discouraged" by the man page.

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Re: (ITS#8213) When using the rwm, openldap down
by ryan＠nardis.ca 08 Aug '15

08 Aug '15

Hi, Patched in git master: http://www.openldap.org/devel/gitweb.cgi?p=openldap.git;a=commitdiff;h=7380… Please test the patch, and report any problems with it. Thanks!

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(ITS#8213) When using the rwm, openldap down
by ohno＠designet.co.jp 07 Aug '15

07 Aug '15

Full_Name: Kimiyoshi Ohno Version: 2.4.41 OS: CentOS 7 URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (220.211.13.215) When I changed configuration for openldap, openldap stopped. (Aborted) I was carried out the following operations. (1) I created the following environment. ---- ---- ---- ---- # ldapsearch -LLL -Y EXTERNAL -b 'olcOverlay={0}rwm,olcDatabase={1}bdb,cn=config' -H ldapi:/// SASL/EXTERNAL authentication started SASL username: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth SASL SSF: 0 dn: olcOverlay={0}rwm,olcDatabase={1}bdb,cn=config objectClass: olcOverlayConfig objectClass: olcRwmConfig olcOverlay: {0}rwm olcRwmRewrite: {0}rwm-rewriteEngine on olcRwmRewrite: {1}rwm-rewriteContext searchFilter olcRwmRewrite: {2}rwm-rewriteRule "aaa" "111" ":@" olcRwmRewrite: {3}rwm-rewriteRule "bbb" "222" ":@" ---- ---- ---- ---- (2) I created the following ldif file. ---- ---- ---- ---- dn: olcOverlay={0}rwm,olcDatabase={1}bdb,cn=config changetype: modify delete: olcRwmRewrite olcRwmRewrite: rwm-rewriteRule "aaa" "111" ":@" - ---- ---- ---- ---- (3) I was carried out ldapmodify. ---- ---- ---- ---- # ldapmodify -Y EXTERNAL -H ldapi:/// -f down.ldif SASL/EXTERNAL authentication started SASL username: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth SASL SSF: 0 modifying entry "olcOverlay={0}rwm,olcDatabase={1}bdb,cn=config" ldap_result: Can't contact LDAP server (-1) ---- ---- ---- ---- In this case, openldap has stopped. : : 55c45c8b connection_get(16) 55c45c8b ==> sasl_bind: dn="" mech=EXTERNAL datalen=0 55c45c8b SASL Canonicalize [conn=1000]: authcid="gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth" 55c45c8b slap_sasl_getdn: conn 1000 id=gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth [len=55] 55c45c8b SASL Canonicalize [conn=1000]: slapAuthcDN="gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth" 55c45c8b SASL proxy authorize [conn=1000]: authcid="gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth" authzid="gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth" 55c45c8b connection_get(16) 55c45c8b conn=1000 op=1 do_modify: dn (olcOverlay={0}rwm,olcDatabase={1}bdb,cn=config) => ldap_bv2dn(olcOverlay={0}rwm,olcDatabase={1}bdb,cn=config,0) <= ldap_bv2dn(olcOverlay={0}rwm,olcDatabase={1}bdb,cn=config)=0 => ldap_dn2bv(272) <= ldap_dn2bv(clcOverlay={0}rwm,olcDatabase={1}bdb,cn=config)=0 => ldap_dn2bv(272) <= ldap_dn2bv(olcOverlay={0}rwm,olcDatabase={1}bdb,cn=config)=0 55c45c8b conn=1000 op=1 modifications: 55c45c8b delete: olcRwmRewrite 55c45c8b one value, length 32 55c45c8b [slapd:0] unknown command '' slapd: rwm.c:2195: rwm_cf_gen: Assertion `rc == 0' failed. Aborted Is this openldap BUG?

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Re: (ITS#8054) Operation duration logging
by hyc＠symas.com 05 Aug '15

05 Aug '15

clem.oudot(a)gmail.com wrote: > 2015-02-11 18:33 GMT+01:00 <h.b.furuseth(a)usit.uio.no>: >> On 11. feb. 2015 12:38, Michael Str=C3=B6der wrote: >>> h.b.furuseth(a)usit.uio.no wrote: >>>> Cool feture, but please use fewer characteres in the already >>>> bloated log. How about "time=3D<integer>us" or even omit the "us"? >>> >>> +1 >>> >>> But 'time' sounds a bit general. >>> How about 'tdu' or even 'td' as abbreviation for "time duration"? >> >> I don't think so. You can't see from that what it means unless you >> already know, so you have to look it up just to see if you're >> interested. 'time' you can decide to look up if you are interested. >> > > Seems other LDAP servers have choosen 'etime' (see > http://ludopoitou.com/2015/02/24/about-auditing-ldap-operations/). Why > not try to use the same word? etime is fine with me. The other problem here is that it's counting duration from when slapd received the request (which is fine) but usually the op gets queued immediately after. For this etime to be useful we need to know both the amount of time spent queued, and the amount of time spent actually executing. qtime and etime? -- -- Howard Chu CTO, Symas Corp. http://www.symas.com Director, Highland Sun http://highlandsun.com/hyc/ Chief Architect, OpenLDAP http://www.openldap.org/project/

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RE: (ITS#8212) slapd stops on consumer node
by Steen.Brandtmar＠ibapplications.com 05 Aug '15

05 Aug '15

--_003_DB4PR03MB0911E60223F1AE5F6D332DA881750DB4PR03MB0911eurp_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi I did an upgrade to 2.4.41 on the consumer node. Then restarted. Consumer IP =3D 10.0.100.6 Provider IP=3D10.0.100.5 Then - on consumer - I executed this command: /usr/local/bin/ldappasswd -x -D uid=3Dxxxxxx,ou=3DPeople,dc=3Diba,dc=3Dloca= l -w oldpasswod -H ldap://10.0.100.6 -Z -s newpassword uid=3Dxxxxxx,ou=3DPe= ople,dc=3Diba,dc=3Dlocal ldap_result: Can't contact LDAP server (-1) And logfile writes: Aug 4 16:33:40 mgmt1 slapd[17418]: conn=3D1141 fd=3D18 ACCEPT from IP=3D10= .0.100.6:42621 (IP=3D0.0.0.0:389) Aug 4 16:33:40 mgmt1 slapd[17418]: conn=3D1141 op=3D0 EXT oid=3D1.3.6.1.4.= 1.1466.20037 Aug 4 16:33:40 mgmt1 slapd[17418]: conn=3D1141 op=3D0 STARTTLS Aug 4 16:33:40 mgmt1 slapd[17418]: conn=3D1141 op=3D0 RESULT oid=3D err=3D= 0 text=3D Aug 4 16:33:40 mgmt1 slapd[17418]: conn=3D1141 fd=3D18 TLS established tls= _ssf=3D128 ssf=3D128 Aug 4 16:33:40 mgmt1 slapd[17418]: conn=3D1141 op=3D1 BIND dn=3D"uid=3Dxxx= xxx,ou=3DPeople,dc=3Diba,dc=3Dlocal" method=3D128 Aug 4 16:33:40 mgmt1 slapd[17418]: conn=3D1141 op=3D1 BIND dn=3D"uid=3Dxxx= xxx,ou=3DPeople,dc=3Diba,dc=3Dlocal" mech=3DSIMPLE ssf=3D0 Aug 4 16:33:40 mgmt1 slapd[17418]: ppolicy_bind: Entry uid=3Dxxxxxx,ou=3DP= eople,dc=3Diba,dc=3Dlocal has an expired password: 6 grace logins Aug 4 16:33:41 mgmt1 slapd[17418]: conn=3D1141 op=3D1 RESULT tag=3D97 err= =3D0 text=3D Aug 4 16:33:41 mgmt1 slapd[17418]: conn=3D1141 op=3D2 EXT oid=3D1.3.6.1.4.= 1.4203.1.11.1 Aug 4 16:33:41 mgmt1 slapd[17418]: conn=3D1141 op=3D2 PASSMOD id=3D"uid=3D= xxxxxx,ou=3DPeople,dc=3Diba,dc=3Dlocal" new and slapd stops. I've attached configs for consumer and provider. Regards Steen Steen Brandtmar +45 2893 5392 Insurance Business Applications Gammel Kongevej 1, 4. sal 1610 K=F8benhavn, Danmark =A0=A0=A0 -----Original Message----- From: openldap-its(a)OpenLDAP.org [mailto:openldap-its@OpenLDAP.org]=20 Sent: 4. august 2015 13:55 To: Steen Brandtmar <Steen.Brandtmar(a)ibapplications.com> Subject: Re: (ITS#8212) slapd stops on consumer node *** THIS IS AN AUTOMATICALLY GENERATED REPLY *** Thanks for your report to the OpenLDAP Issue Tracking System. Your report = has been assigned the tracking number ITS#8212. One of our support engineers will look at your report in due course. Note that this may take some time because our support engineers are volunte= ers. They only work on OpenLDAP when they have spare time. If you need to provide additional information in regards to your issue repo= rt, you may do so by replying to this message. Note that any mail sent to = openldap-its(a)openldap.org with (ITS#8212) in the subject will automatically= be attached to the issue report. mailto:openldap-its@openldap.org?subject=3D(ITS#8212) You may follow the progress of this report by loading the following URL in = a web browser: http://www.OpenLDAP.org/its/index.cgi?findid=3D8212 Please remember to retain your issue tracking number (ITS#8212) on any furt= her messages you send to us regarding this report. If you don't then you'l= l just waste our time and yours because we won't be able to properly track = the report. Please note that the Issue Tracking System is not intended to be used to se= ek help in the proper use of OpenLDAP Software. Such requests will be closed. OpenLDAP Software is user supported. http://www.OpenLDAP.org/support/ -------------- Copyright 1998-2007 The OpenLDAP Foundation, All Rights Reserved. --_003_DB4PR03MB0911E60223F1AE5F6D332DA881750DB4PR03MB0911eurp_ Content-Type: text/plain; name="slapd.provider.conf.txt" Content-Description: slapd.provider.conf.txt Content-Disposition: attachment; filename="slapd.provider.conf.txt"; size=4671; creation-date="Tue, 04 Aug 2015 14:52:51 GMT"; modification-date="Tue, 04 Aug 2015 14:52:51 GMT" Content-Transfer-Encoding: base64 Iw0KIyBTZWUgc2xhcGQuY29uZig1KSBmb3IgZGV0YWlscyBvbiBjb25maWd1cmF0aW9uIG9wdGlv bnMuDQojIFRoaXMgZmlsZSBzaG91bGQgTk9UIGJlIHdvcmxkIHJlYWRhYmxlLg0KIw0KaW5jbHVk ZSAgICAgICAgIC91c3IvbG9jYWwvZXRjL29wZW5sZGFwL3NjaGVtYS9jb3JlLnNjaGVtYQ0KaW5j bHVkZSAgICAgICAgIC91c3IvbG9jYWwvZXRjL29wZW5sZGFwL3NjaGVtYS9jb3NpbmUuc2NoZW1h DQppbmNsdWRlICAgICAgICAgL3Vzci9sb2NhbC9ldGMvb3BlbmxkYXAvc2NoZW1hL25pcy5zY2hl bWENCmluY2x1ZGUgICAgICAgICAvdXNyL2xvY2FsL2V0Yy9vcGVubGRhcC9zY2hlbWEvaW5ldG9y 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Re: (ITS#8212) slapd stops on consumer node
by michael＠stroeder.com 04 Aug '15

04 Aug '15

Steen.brandtmar(a)ibapplications.com wrote: > We are running two servers in mirrormode. > When we run ldappasswd on provider node all is OK and passwords are changed in > bdb. Logfile shows PASSMOD on relevant uid. > When we run the same ldappasswd command on consumer node, slapd stops abruptly > on this node and must be started manually. Could you please retry with 2.4.41? If it's still a problem with 2.4.41 a stripped down config for reproducing the issue would be good. Ciao, Michael.

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(ITS#8212) slapd stops on consumer node
by Steen.brandtmar＠ibapplications.com 04 Aug '15

04 Aug '15

Full_Name: Steen Brandtmar Version: 2.4.40 OS: Linux Ubuntu 12.04 URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (86.48.99.242) Hi We are running two servers in mirrormode. When we run ldappasswd on provider node all is OK and passwords are changed in bdb. Logfile shows PASSMOD on relevant uid. When we run the same ldappasswd command on consumer node, slapd stops abruptly on this node and must be started manually.

1 0

(ITS#8211) ssf does not reflect actual security of connection
by hkario＠redhat.com 03 Aug '15

03 Aug '15

Full_Name: Hubert Kario Version: all OS: Linux URL: Submission from: (NULL) (213.175.37.10) Section "14.2.1. Security Strength Factors"[1] states "A SSF greater than one (>1) roughly correlates to the effective encryption key length.". This is not the case more often than not. Problem is that ssf as it is calculated now doesn't take into consideration all the cryptographic primitives in use. In other words, a connection that uses a 512 bit RSA certificates and negotiates TLS_RSA_WITH_AES_128_CBC_SHA (AES256-SHA) certainly does not provide security equivalent to "modern strong ciphers"[2][3] and should be awarded "256". Similarly a connection that uses 512 bit DH parameters and negotiates TLS_DHE_RSA_WITH_AES_256_CBC_SHA (DHE-RSA-AES256-SHA) does not provide security that should be awarded "256"[5]. In fact, recommending use of high key sizes[2] will cause the connection to use _less_ secure CBC ciphersuites[5] with clients that support AEAD ciphersuites with AES-128 only (like Thunderbird and Firefox do). Section 8.4.9[2] also calls RC4 a "modern strong cipher", most cryptographers disagree[6]. So I think either: 1). ssf needs to be redefined to consider any value higher that "2" to be equal, and requiring the server administrators to enable only ciphersuites they consider secure, or 2). the whole code that calculates ssf needs to be updated to take into account many more things: * use of AEAD * use of Encrypt-then-MAC * the protocol version used (both because TLS1.0 specific attacks[7] as wewell as the use of SHA1+MD5 for signatures which limits the connection security to 80 bits[8] (optimistically) if client certificates are in use in TLS < 1.2) * encryption algorithm on session tickets * current state of attacks on a given ciphersuite * the size of ECDHE curve, FFDHE prime or server certificate key size, depending on ciphersuite negotiated * the signature algorithm used in Certificate Verify message * the key size of client certificate * the signature on the client certificate and key sizes in CA certificates * the HMAC used * key size of the symmetric cipher * (probably other things I didn't think about) 1 - http://www.openldap.org/doc/admin24/security.html 2 - http://w.w.openldap.org/doc/admin24/access-control.html section 8.4.9 3 - https://freakattack.com/ 4 - https://weakdh.org/ 5 - http://www.isg.rhul.ac.uk/tls/Lucky13.html 6 - https://tools.ietf.org/html/rfc7465 7 - https://en.wikipedia.org/wiki/Transport_Layer_Security#BEAST_attack 8 - https://www.iacr.org/cryptodb/archive/2004/CRYPTO/1472/1472.pdf

1 0

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