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Mend.io Vulnerability Database

CVE-2011-1024

Date: March 19, 2011

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.

Language: C

Severity Score

5.0

Related Resources (24)

Url: http://secunia.com/advisories/43708

Url: http://www.openldap.org/devel/cvsweb.cgi/servers/slapd/back-ldap/chain.c.diff?r1=1.76&r2=1.77&hideattic=1&sortbydate=0

Url: http://secunia.com/advisories/43718

Url: http://www.openldap.org/lists/openldap-announce/201102/msg00000.html

Url: https://access.redhat.com/security/cve/CVE-2011-1024

Url: https://bugzilla.novell.com/show_bug.cgi?id=674985

Url: http://www.redhat.com/support/errata/RHSA-2011-0347.html

Url: https://nvd.nist.gov/vuln/detail/CVE-2011-1024

Url: http://secunia.com/advisories/43331

Url: http://security.gentoo.org/glsa/glsa-201406-36.xml

Url: http://www.vupen.com/english/advisories/2011/0665

Url: http://openwall.com/lists/oss-security/2011/02/24/12

Url: http://securitytracker.com/id?1025188

Url: http://www.mandriva.com/security/advisories?name=MDVSA-2011:055

Url: http://www.mandriva.com/security/advisories?name=MDVSA-2011:056

Url: http://openwall.com/lists/oss-security/2011/02/25/13

Url: https://bugzilla.redhat.com/show_bug.cgi?id=680466

Url: http://www.redhat.com/support/errata/RHSA-2011-0346.html

Url: http://www.openldap.org/its/index.cgi/Software%20Bugs?id=6607

Url: http://www.openldap.org/lists/openldap-technical/201004/msg00247.html

Url: http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705

Url: http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735

Url: http://www.ubuntu.com/usn/USN-1100-1

Url: https://www.mend.io/vulnerability-database/CVE-2011-1024

Severity Score

5.0

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

CVSS v3.1

Base Score:	5.0
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	LOW
Integrity (I):	LOW
Availability (A):	LOW

CVSS v2

Base Score:	4.6
Access Vector (AV):	NETWORK
Access Complexity (AC):	HIGH
Authentication (AU):	SINGLE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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CVE-2011-1024

Date: March 19, 2011

Language: C

Severity Score

Related Resources (24)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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