CVE-2011-1024

EUVD-2011-1041
chain.c in back-ldap in OpenLDAP 2.4.x before 2.4.24, when a master-slave configuration with a chain overlay and ppolicy_forward_updates (aka authentication-failure forwarding) is used, allows remote authenticated users to bypass external-program authentication by sending an invalid password to a slave server.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.6 UNKNOWN
NETWORK
HIGH
AV:N/AC:H/Au:S/C:P/I:P/A:P
Base Score
CVSS 3.x
EPSS Score
Percentile: 47%
Affected Products (NVD)
VendorProductVersion
openldapopenldap
2.4.6
openldapopenldap
2.4.7
openldapopenldap
2.4.8
openldapopenldap
2.4.9
openldapopenldap
2.4.10
openldapopenldap
2.4.11
openldapopenldap
2.4.12
openldapopenldap
2.4.13
openldapopenldap
2.4.14
openldapopenldap
2.4.15
openldapopenldap
2.4.16
openldapopenldap
2.4.17
openldapopenldap
2.4.18
openldapopenldap
2.4.19
openldapopenldap
2.4.20
openldapopenldap
2.4.21
openldapopenldap
2.4.22
openldapopenldap
2.4.23
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
openldap
bookworm
2.5.13+dfsg-5
fixed
bullseye
2.4.57+dfsg-3+deb11u1
fixed
bullseye (security)
2.4.57+dfsg-3+deb11u1
fixed
sid
2.5.18+dfsg-3
fixed
trixie
2.5.18+dfsg-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
openldap
dapper
dne
hardy
dne
karmic
Fixed 2.4.18-0ubuntu1.2
released
lucid
Fixed 2.4.21-0ubuntu5.4
released
maverick
Fixed 2.4.23-0ubuntu3.5
released
openldap2.2
dapper
not-affected
hardy
dne
karmic
dne
lucid
dne
maverick
dne
openldap2.3
dapper
dne
hardy
Fixed 2.4.9-0ubuntu0.8.04.5
released
karmic
dne
lucid
dne
maverick
dne
Common Weakness Enumeration
References
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735
http://openwall.com/lists/oss-security/2011/02/24/12
http://openwall.com/lists/oss-security/2011/02/25/13
http://secunia.com/advisories/43331
http://secunia.com/advisories/43708
http://secunia.com/advisories/43718
http://security.gentoo.org/glsa/glsa-201406-36.xml
http://securitytracker.com/id?1025188
http://www.mandriva.com/security/advisories?name=MDVSA-2011:055
http://www.mandriva.com/security/advisories?name=MDVSA-2011:056
http://www.openldap.org/devel/cvsweb.cgi/servers/slapd/back-ldap/chain.c.diff?r1=1.76&r2=1.77&hideattic=1&sortbydate=0
http://www.openldap.org/its/index.cgi/Software%20Bugs?id=6607
http://www.openldap.org/lists/openldap-announce/201102/msg00000.html
http://www.openldap.org/lists/openldap-technical/201004/msg00247.html
http://www.redhat.com/support/errata/RHSA-2011-0346.html
http://www.redhat.com/support/errata/RHSA-2011-0347.html
http://www.ubuntu.com/usn/USN-1100-1
http://www.vupen.com/english/advisories/2011/0665
https://bugzilla.novell.com/show_bug.cgi?id=674985
https://bugzilla.redhat.com/show_bug.cgi?id=680466
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735
http://openwall.com/lists/oss-security/2011/02/24/12
http://openwall.com/lists/oss-security/2011/02/25/13
http://secunia.com/advisories/43331
http://secunia.com/advisories/43708
http://secunia.com/advisories/43718
http://security.gentoo.org/glsa/glsa-201406-36.xml
http://securitytracker.com/id?1025188
http://www.mandriva.com/security/advisories?name=MDVSA-2011:055
http://www.mandriva.com/security/advisories?name=MDVSA-2011:056
http://www.openldap.org/devel/cvsweb.cgi/servers/slapd/back-ldap/chain.c.diff?r1=1.76&r2=1.77&hideattic=1&sortbydate=0
http://www.openldap.org/its/index.cgi/Software%20Bugs?id=6607
http://www.openldap.org/lists/openldap-announce/201102/msg00000.html
http://www.openldap.org/lists/openldap-technical/201004/msg00247.html
http://www.redhat.com/support/errata/RHSA-2011-0346.html
http://www.redhat.com/support/errata/RHSA-2011-0347.html
http://www.ubuntu.com/usn/USN-1100-1
http://www.vupen.com/english/advisories/2011/0665
https://bugzilla.novell.com/show_bug.cgi?id=674985
https://bugzilla.redhat.com/show_bug.cgi?id=680466