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Bug 1151287 - dynamically added macro aci is not evaluated on the fly
Summary: dynamically added macro aci is not evaluated on the fly
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: 389-ds-base
Version: 7.0
Hardware: Unspecified
OS: Unspecified
high
unspecified
Target Milestone: rc
: ---
Assignee: Noriko Hosoi
QA Contact: Viktor Ashirov
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2014-10-10 03:46 UTC by Noriko Hosoi
Modified: 2020-09-13 21:13 UTC (History)
3 users (show)

Fixed In Version: 389-ds-base-1.3.3.1-6.el7
Doc Type: Bug Fix
Doc Text:
Cause: When macro aci is dynamically added and if the aci's macro target dn is not normalized, the following operation that requires the aci could fail with Insufficient access since matching the target dn and the macro target dn fails since the code expects normalized macro target dn. Fix: Before setting the macro target dn, the dn is normalized. Result: Even if an aci that contains pre-normalized macro target dn is dynamically added, it's correctly used to evaluate the access rights.
Clone Of:
Environment:
Last Closed: 2015-03-05 09:36:16 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Github 389ds 389-ds-base issues 1253 0 None None None 2020-09-13 21:13:14 UTC
Red Hat Product Errata RHSA-2015:0416 0 normal SHIPPED_LIVE Important: 389-ds-base security, bug fix, and enhancement update 2015-03-05 14:26:33 UTC

Description Noriko Hosoi 2014-10-10 03:46:59 UTC 
This bug is created as a clone of upstream ticket:
https://fedorahosted.org/389/ticket/47922

This is a reguression.

sample aci>
dn: <SUFFIX>
aci: (target="ldap:///ou=People, ($dn), <SUFFIX>") (targetattr!="userPassword")(targetfilter=(objectClass=nsManagedPerson)) (version 3.0; acl "Admin access to all users in this and lower domains"; allow (write,read,search) groupdn="ldap:///cn=Domain Administrators, ou=Groups, [$dn], <SUFFIX>";)

UserA in the groupdn fails to modify the attributes of UserB which has "objectClass: nsManagedPerson" and under ou=People,($dn),<SUFFIX>.  Both UserA and UserB share the same $dn.

The modify attempts returns Insufficient access.
ldap_modify: Insufficient access
ldap_modify: additional info: Insufficient 'write' privilege to the 'sn' attribute of entry 'uid=UserB,ou=people,($dn),<SUFFIX>'.

Restarting the server solves this problem and UserA is allowed to modify UserB's attributes.
Comment 3 Viktor Ashirov 2014-11-24 16:55:28 UTC 
$ rpm -qa | grep 389
389-ds-base-1.3.3.1-9.el7.x86_64
389-ds-base-debuginfo-1.3.3.1-9.el7.x86_64
389-ds-base-libs-1.3.3.1-9.el7.x86_64

1. I did a fresh install of DS, added test entries.
2. Checked that UserA cannot modify UserB sn attribute:
$ ldapmodify -h localhost:389 -D "cn=UserA,ou=People,dc=subdomain1,dc=hostedcompany1,dc=example,dc=com" -w Secret123 
dn: cn=UserB,ou=People,dc=subdomain1,dc=hostedcompany1,dc=example,dc=com
changetype: modify
replace: sn
sn: UserB_modified_by_UserA

modifying entry "cn=UserB,ou=People,dc=subdomain1,dc=hostedcompany1,dc=example,dc=com"
ldap_modify: Insufficient access (50)
	additional info: Insufficient 'write' privilege to the 'sn' attribute of entry 'cn=userb,ou=people,dc=subdomain1,dc=hostedcompany1,dc=example,dc=com'.

3. Added aci to ou=people,dc=subdomain1,dc=hostedcompany1,dc=example,dc=com:
aci: (target="ldap:///ou=People, ($dn), dc=example,dc=com") (targetattr!="userPassword")(targetfilter=(objectClass=inetOrgPerson)) (version 3.0; acl "Admin access to all users in this and lower domains"; allow (write,read,search) groupdn="ldap:///cn=Domain Administrators, ou=Groups, [$dn], dc=example,dc=com";)

4. Checked that UserA can modify UserB sn attribute:
$ ldapmodify -h localhost:389 -D "cn=UserA,ou=People,dc=subdomain1,dc=hostedcompany1,dc=example,dc=com" -w Secret123 
dn: cn=UserB,ou=People,dc=subdomain1,dc=hostedcompany1,dc=example,dc=com
changetype: modify
replace: sn
sn: UserB_modified_by_UserA
modifying entry "cn=UserB,ou=People,dc=subdomain1,dc=hostedcompany1,dc=example,dc=com"

$ ldapsearch -o ldif-wrap=no -LLL -x -H ldap://localhost:389 -D "cn=Directory Manager" -w Secret123 -b dc=example,dc=com "(cn=UserB)" sn
dn: cn=UserB,ou=People,dc=subdomain1,dc=hostedcompany1,dc=example,dc=com
sn: UserB_modified_by_UserA

Dynamically added macro aci was evaluated without server restart. Hence marking this bug as VERIFIED.
Comment 5 errata-xmlrpc 2015-03-05 09:36:16 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHSA-2015-0416.html
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