openldap-bugs September 2015

openldap-bugs@openldap.org

25 participants
81 discussions

(ITS#8243) LMDB Makefile bug
by jiayq＠eecs.berkeley.edu 12 Sep '15

12 Sep '15

Full_Name: Yangqing Jia Version: OS: Ubuntu 12.04 URL: Submission from: (NULL) (2601:646:8f00:2700:ac83:6009:7765:c6b0) In the Makefile of LMDB, the installation part reads as follows: install: $(ILIBS) $(IPROGS) $(IHDRS) for f in $(IPROGS); do cp $$f $(DESTDIR)$(prefix)/bin; done for f in $(ILIBS); do cp $$f $(DESTDIR)$(prefix)/lib; done for f in $(IHD%2); do cp $$f $(DESTDIR)$(prefix)/include; done for f in $(IDOCS); do cp $$f $(DESTDIR)$(prefix)/man/man1; done This usually works OK, but it silently asumes that $(DESTDIR)$(prefix)/bin and other folders exist. While it works in most cases, if the folders do not exist, what follows is that the installation script generates FILES instead of FOLDERS named bin, lib, include and man1 respectively. We should add "mkdir -p" commands in the installation part to fix this.

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Re: (ITS#8240) OpenLDAP ber_get_next denial of service vulnerability
by michael＠stroeder.com 12 Sep '15

12 Sep '15

hyc(a)symas.com wrote: > Our patch response was too hasty. There is no OpenLDAP bug here, the real > issue is production binaries being built with asserts enabled instead of > compiling with -DNDEBUG. That's an issue for packagers and distros to resolve. > Closing this ITS, not an OpenLDAP bug. I've compiled with CFLAGS="-DNDEBUG" (also tried CPPFLAGS) but this did not help. slapd still crashes when hitting the assert. Ciao, Michael.

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Re: (ITS#7964) overlay rwm escape issue with more the 9 rules / rewrite statements
by michael＠stroeder.com 12 Sep '15

12 Sep '15

This is a cryptographically signed message in MIME format. --------------ms030300010006010903020301 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Ryan Tandy wrote: > Fixed in git master by removing the extra escaping on insert. You will = have to > adjust your rules to use a single backslash instead of two. I wonder whether that caused a regression parsing multi-line DESC '..' in= schema descriptions. Up to now I could load this but it does not work with current RE24 branch= : objectClass ( 1.3.6.1.4.1.412.100.2.1.3.2 NAME 'dlm1ManagedSystemElement'= DESC 'ManagedSystemElement is the base class for the System Element hierarchy. Membership Criteria: Any distinguishable component of a System is a candidate for inclusion in this class. Examples: software components, such as files; and devices, such as disk drives and controllers, and physical components such as chips and cards.' 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Re: (ITS#8240) OpenLDAP ber_get_next denial of service vulnerability
by hyc＠symas.com 12 Sep '15

12 Sep '15

denis.andzakovic(a)security-assessment.com wrote: > Full_Name: Denis Andzakovic > Version: 2.4.42 > OS: Debian 8 > URL: > Submission from: (NULL) (2402:6000:110:a01:743b:8319:1f96:bd89) > > > OpenLDAP ber_get_next Denial of Service > Affected Versions: OpenLDAP <= 2.4.42 > +----------+ > | Solution | > +----------+ > Ensure that data received from untrusted sources is not able to trigger > conditions resulting in the server crashing. In this specific instance, the > NDEBUG macro should be defined before the inclusion of assert.h by default, > requiring a specific compile time alteration to enable debug. Our patch response was too hasty. There is no OpenLDAP bug here, the real issue is production binaries being built with asserts enabled instead of compiling with -DNDEBUG. That's an issue for packagers and distros to resolve. Closing this ITS, not an OpenLDAP bug. -- -- 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#8240
by hyc＠symas.com 11 Sep '15

11 Sep '15

michael(a)stroeder.com wrote: > Hmm...wouldn't this ITS justify some quick security release 2.4.43? For the umpteenth time - the Project only considers unintended information disclosures or remote code execution flaws as security issues. Neither applies here. -- -- 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#8240
by ryan＠nardis.ca 11 Sep '15

11 Sep '15

For the record, this issue is being tracked as CVE-2015-6908. http://www.openwall.com/lists/oss-security/2015/09/11/5

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Re: (ITS#7420) Way to bypass overlay unique and constranit
by subbarao＠computer.org 11 Sep '15

11 Sep '15

Hi Howard, Just wanted to inquire about this comment: >It seems that because of this behavior, the fix will have to be made to each >overlay accordingly. It would be nice if we had a more centralized approach >though. What are your current thoughts on this? Would you be open to adding an explicit check for the RDN attribute in the constraint and unique overlays? Or do you want to hold off on that until you have a chance to investigate a more centralized approach? Thanks, -Kartik

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Re: (ITS#8242) constraint overlay gets bypassed for add operations without RDN attribute explicitly listed
by subbarao＠computer.org 11 Sep '15

11 Sep '15

I just realized that this issue is a duplicate of ITS#7420 which was reported in 2012. Sorry for the duplication. -Kartik

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ITS#8240
by michael＠stroeder.com 11 Sep '15

11 Sep '15

Hmm...wouldn't this ITS justify some quick security release 2.4.43? I'm willing to test in as many of my deployments as possible. CIao, Michael.

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Re: (ITS#8240) OpenLDAP ber_get_next denial of service vulnerability
by hyc＠symas.com 10 Sep '15

10 Sep '15

Michael Ströder wrote: > hyc(a)symas.com wrote: >> Thanks for the report. Fixed now in git master. > > Thanks for this quick fix. > > Could this also affect LDAP clients using libldap? The assert was in liblber. Since libldap uses liblber, yes, it can affect clients. -- -- 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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openldap-bugs September 2015