openldap-bugs October 2021

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[Issue 9664] New: Hiding namingContexts in the root DSE, when these are not in small letters
by openldap-its＠openldap.org 11 Oct '21

11 Oct '21

https://bugs.openldap.org/show_bug.cgi?id=9664 Issue ID: 9664 Summary: Hiding namingContexts in the root DSE, when these are not in small letters Product: OpenLDAP Version: 2.5.6 Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: --- Component: slapd Assignee: bugs(a)openldap.org Reporter: dpa-openldap(a)aegee.org Target Milestone: --- Below are the ACL for the frontend database. They are supposed to hide the cn=krbconfig from the namingContexts on the root DSE. dn: olcDatabase=frontend,cn=config objectClass: olcDatabaseConfig objectClass: olcFrontendConfig olcDatabase: frontend #olcAccess: to dn.base="" attrs=namingContexts val/distinguishedNameMatch="cn=krbcontainer" by * none olcAccess: to dn.base="" attrs=namingContexts val="cn=krbcontainer" by * none olcAccess: to dn.exact="" by * read dn: olcDatabase=mdb,cn=config objectClass: olcDatabaseConfig objectClass: olcMdbConfig olcDatabase: mdb olcDbMaxSize: 10485760 olcSuffix: cn=krbcontainer olcRootDN: uid=zzz,cn=krbcontainer olcRootPW: zzz olcDbDirectory: ldap/uuu olcDbIndex: objectClass eq olcAccess: to dn.sub="cn=krbContainer" by * read It does work! However, if change the case in (container ⇒ Container): olcSuffix: cn=krbContainer no matter how I set olcAccess in the frontend database, $ ldapsearch -xb "" -s base namingContexts always prints dn: namingContexts: cn=krbContainer In particular olcAccess: to dn.base="" attrs=namingContexts val/distinguishedNameMatch="cn=krbcontainer" by * none does not hide it. • It shall be possible to find olcSuffix from the DSE/namingContexts, even if the suffix is mixCased. Since the case is known at the time, when the rules are written, OpenLDAP shall offer an option for exact match, without converting data to lowercase. (as shown by sladp -d -1 ) -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9659] New: slapd fails to compile with LDAP_PF_LOCAL_SENDMSG: redefinition of 'peerbv'
by openldap-its＠openldap.org 11 Oct '21

11 Oct '21

https://bugs.openldap.org/show_bug.cgi?id=9659 Issue ID: 9659 Summary: slapd fails to compile with LDAP_PF_LOCAL_SENDMSG: redefinition of 'peerbv' Product: OpenLDAP Version: 2.5.7 Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: slapd Assignee: bugs(a)openldap.org Reporter: ryan(a)openldap.org Target Milestone: --- Thanks for fixing issue 9658. The same test environment (Debian GNU/Hurd 11.0) now fails to compile slapd (RE25 and master): cc -g -O2 -I../../include -I. -I./slapi -I. -I../../include -c -o daemon.o daemon.c daemon.c: In function 'slap_listener': daemon.c:2113:16: error: redefinition of 'peerbv' 2113 | struct berval peerbv = BER_BVNULL; | ^~~~~~ daemon.c:2110:16: note: previous definition of 'peerbv' was here 2110 | struct berval peerbv = BER_BVC(peername); | ^~~~~~ <builtin>: recipe for target 'daemon.o' failed make[2]: *** [daemon.o] Error 1 The relevant code in daemon.c: char peername[LDAP_IPADDRLEN]; struct berval peerbv = BER_BVC(peername); #ifdef LDAP_PF_LOCAL_SENDMSG char peerbuf[8]; struct berval peerbv = BER_BVNULL; #endif When LDAP_PF_LOCAL_SENDMSG is defined, the variable 'peerbv' is declared twice. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9696] New: OpenSSL implementation of LDAP_OPT_X_TLS_PEERCERT leaks memory
by openldap-its＠openldap.org 11 Oct '21

11 Oct '21

https://bugs.openldap.org/show_bug.cgi?id=9696 Issue ID: 9696 Summary: OpenSSL implementation of LDAP_OPT_X_TLS_PEERCERT leaks memory Product: OpenLDAP Version: 2.4.57 Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: libraries Assignee: bugs(a)openldap.org Reporter: cheimes(a)redhat.com Target Milestone: --- The OpenSSL implementation of ldap_get_option() LDAP_OPT_X_TLS_PEERCERT leaks memory. The internal function tlso_session_peercert() uses SSL_get_peer_certificate() to access the server certificate. SSL_get_peer_certificate() increases the reference counter of the peer cert by one. The code is missing a X509_free() call to decref the internal reference counter by one. I also recommend that you check the return value of SSL_get_peer_certificate() for NULL. There are cases when a TLS session does not have access to a peer certificate, e.g. session resumption. Valgrind log: ==586962== 16,044 (1,056 direct, 14,988 indirect) bytes in 3 blocks are definitely lost in loss record 6,355 of 6,374 ==586962== at 0x484086F: malloc (vg_replace_malloc.c:380) ==586962== by 0x16981A4D: CRYPTO_zalloc (mem.c:230) ==586962== by 0x168CC823: asn1_item_embed_new (tasn_new.c:122) ==586962== by 0x168CE12A: asn1_item_embed_d2i (tasn_dec.c:325) ==586962== by 0x168CE341: ASN1_item_ex_d2i (tasn_dec.c:124) ==586962== by 0x168CE3CE: ASN1_item_d2i (tasn_dec.c:114) ==586962== by 0x1744B7CC: tls_process_server_certificate (statem_clnt.c:1853) -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9668] New: undefined behavior for isdigit in tls2.c
by openldap-its＠openldap.org 11 Oct '21

11 Oct '21

https://bugs.openldap.org/show_bug.cgi?id=9668 Issue ID: 9668 Summary: undefined behavior for isdigit in tls2.c Product: OpenLDAP Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: --- Component: libraries Assignee: bugs(a)openldap.org Reporter: roland.illig(a)gmx.de Target Milestone: --- tls2.c says: > isdigit( *c ) This invokes undefined behavior if someone manages to pass a non-ASCII character. Depending on the platform, the process may crash or wrongly classify the host name as either numeric or non-numeric. While here, I noticed that both sni and c have type 'char *', but they should rather be 'const char *'. Was there a specific reason to suggest to the reader the host name would be modifiable? -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9706] New: monitoringslapd.sdf: typo Backends
by openldap-its＠openldap.org 11 Oct '21

11 Oct '21

https://bugs.openldap.org/show_bug.cgi?id=9706 Issue ID: 9706 Summary: monitoringslapd.sdf: typo Backends Product: OpenLDAP Version: 2.5.7 Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: documentation Assignee: bugs(a)openldap.org Reporter: dpa-openldap(a)aegee.org Target Milestone: --- doc/guide/admin/monitoringslapd.sdf contains: H3: Backends The {{EX:cn=Backends,cn=Monitor}} object, itself, provides a list of available backends. The list of available backends all builtin backends, as well as backends loaded by modules. For example: … The second sentence has no verb. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9699] New: doc/admin25/loadbalancer.html: typo “between a a set of running slapd instances”
by openldap-its＠openldap.org 11 Oct '21

11 Oct '21

https://bugs.openldap.org/show_bug.cgi?id=9699 Issue ID: 9699 Summary: doc/admin25/loadbalancer.html: typo “between a a set of running slapd instances” Product: OpenLDAP Version: 2.5.7 Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: documentation Assignee: bugs(a)openldap.org Reporter: dpa-openldap(a)aegee.org Target Milestone: --- -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9693] New: Section 9.6 html formatting issue
by openldap-its＠openldap.org 11 Oct '21

11 Oct '21

https://bugs.openldap.org/show_bug.cgi?id=9693 Issue ID: 9693 Summary: Section 9.6 html formatting issue Product: OpenLDAP Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: documentation Assignee: bugs(a)openldap.org Reporter: mnormann(a)symas.com Target Milestone: --- Section 9.6 of documentation is missing a closing anchor tag and closing title tag (Glued/Subordinate database configurations) -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9689] New: Redundancy in the description of syncprov-nopresent
by openldap-its＠openldap.org 11 Oct '21

11 Oct '21

https://bugs.openldap.org/show_bug.cgi?id=9689 Issue ID: 9689 Summary: Redundancy in the description of syncprov-nopresent Product: OpenLDAP Version: 2.5.7 Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: documentation Assignee: bugs(a)openldap.org Reporter: dpa-openldap(a)aegee.org Target Milestone: --- https://www.openldap.org/devel/admin/replication.html#Set%20up%20the%20prov… says: “““ The nonpresent option **should only be configured if the overlay is being placed on top of a log database**, such as when used with delta-syncrepl. The nonpresent option is configured by the syncprov-nopresent <TRUE|FALSE> directive. This value **should only be set TRUE for a syncprov instance on top of a log database** (such as one managed by the accesslog overlay). The default is FALSE. ””” I think, the circumstances when the option shall be used, are repeated twice. One of the repetitions can be shortened. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9688] New: Is EQ index on entryCSN mandatory for replication?
by openldap-its＠openldap.org 11 Oct '21

11 Oct '21

https://bugs.openldap.org/show_bug.cgi?id=9688 Issue ID: 9688 Summary: Is EQ index on entryCSN mandatory for replication? Product: OpenLDAP Version: 2.5.7 Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: documentation Assignee: bugs(a)openldap.org Reporter: dpa-openldap(a)aegee.org Target Milestone: --- https://www.openldap.org/devel/admin/replication.html says about the EQ index on entryCSN: “On databases which support inequality indexing, setting an eq index on the entryCSN attribute and configuring contextCSN checkpoints will greatly speed up this scanning step.” → The index is recommended, but not mandatory, and not always possible. man 5 slapo-syncprov / https://www.openldap.org/software/man.cgi?query=slapo-syncprov&apropos=0&se… says “On databases that support inequality indexing, it is mandatory to set an eq index on the entryCSN attribute when using this overlay.” Between both documents there is a discrepancy, whether the EQ index is mandatory or not. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9687] New: olcTLSECName is not required in order to use ECDHE-based cipher suites in OpenSSL
by openldap-its＠openldap.org 11 Oct '21

11 Oct '21

https://bugs.openldap.org/show_bug.cgi?id=9687 Issue ID: 9687 Summary: olcTLSECName is not required in order to use ECDHE-based cipher suites in OpenSSL Product: OpenLDAP Version: 2.5.7 Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: documentation Assignee: bugs(a)openldap.org Reporter: dpa-openldap(a)aegee.org Target Milestone: --- SLAPD-CONFIG(5) says that olcTLSECName is used to set the names of the Elliptic Curves. It does not say, that the option is required, nor does it say what happens, when the option is not set. https://www.openldap.org/doc/admin25/tls.html#TLS%20Configuration says for TLSECName: This is required in order to use ECDHE-based cipher suites in OpenSSL. I do not set TLSECName and call ./testssl.sh ldap.aegee.org:636 which prints: Hexcode Cipher Suite Name (OpenSSL) KeyExch. Encryption Bits Cipher Suite Name (IANA/RFC) ----------------------------------------------------------------------------------------------------------------------------- TLSv1 (server order) xc014 ECDHE-RSA-AES256-SHA ECDH 256 AES 256 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA xc013 ECDHE-RSA-AES128-SHA ECDH 256 AES 128 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA TLSv1.1 (server order) xc014 ECDHE-RSA-AES256-SHA ECDH 256 AES 256 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA xc013 ECDHE-RSA-AES128-SHA ECDH 256 AES 128 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA TLSv1.2 (server order) xc030 ECDHE-RSA-AES256-GCM-SHA384 ECDH 253 AESGCM 256 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 xcca8 ECDHE-RSA-CHACHA20-POLY1305 ECDH 253 ChaCha20 256 TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 xc02f ECDHE-RSA-AES128-GCM-SHA256 ECDH 253 AESGCM 128 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 xc028 ECDHE-RSA-AES256-SHA384 ECDH 253 AES 256 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 xc027 ECDHE-RSA-AES128-SHA256 ECDH 253 AES 128 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 xc014 ECDHE-RSA-AES256-SHA ECDH 253 AES 256 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA xc013 ECDHE-RSA-AES128-SHA ECDH 253 AES 128 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA TLSv1.3 (server order) x1302 TLS_AES_256_GCM_SHA384 ECDH 253 AESGCM 256 TLS_AES_256_GCM_SHA384 x1303 TLS_CHACHA20_POLY1305_SHA256 ECDH 253 ChaCha20 256 TLS_CHACHA20_POLY1305_SHA256 x1301 TLS_AES_128_GCM_SHA256 ECDH 253 AESGCM 128 TLS_AES_128_GCM_SHA256 Testing robust forward secrecy (FS) -- omitting Null Authentication/Encryption, 3DES, RC4 Elliptic curves offered: prime256v1 secp384r1 secp521r1 X25519 X448 This means, that when olcTLSECName is not set, OpenSSL defaults are used, and ECDHE-based cipher suites are still offered. testssl.sh can be obtianed from https://github.com/drwetter/testssl.sh . -- You are receiving this mail because: You are on the CC list for the issue.

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openldap-bugs October 2021