Vulnerability Details : CVE-2011-1024
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.
Products affected by CVE-2011-1024
- cpe:2.3:a:openldap:openldap:2.4.10:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.4.22:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.4.6:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.4.14:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.4.15:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.4.16:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.4.12:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.4.13:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.4.21:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.4.23:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.4.7:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.4.8:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.4.17:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.4.18:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.4.9:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.4.11:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.4.19:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.4.20:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-1024
0.41%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-1024
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.6
|
MEDIUM | AV:N/AC:H/Au:S/C:P/I:P/A:P |
3.9
|
6.4
|
NIST |
CWE ids for CVE-2011-1024
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-1024
-
http://www.openldap.org/devel/cvsweb.cgi/servers/slapd/back-ldap/chain.c.diff?r1=1.76&r2=1.77&hideattic=1&sortbydate=0
404 Not FoundPatch
-
https://bugzilla.novell.com/show_bug.cgi?id=674985
Bug 674985 – VUL-0: openldap2: two security issues
-
http://www.mandriva.com/security/advisories?name=MDVSA-2011:056
mandriva.com
-
http://www.redhat.com/support/errata/RHSA-2011-0347.html
Support
-
http://security.gentoo.org/glsa/glsa-201406-36.xml
OpenLDAP: Multiple vulnerabilities (GLSA 201406-36) — Gentoo security
-
http://www.openldap.org/lists/openldap-technical/201004/msg00247.html
ppolicy master/slave issue
-
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
Juniper Networks - 2015-10 Security Bulletin: CTPView: Multiple Vulnerabilities in CTPView
-
https://bugzilla.redhat.com/show_bug.cgi?id=680466
680466 – (CVE-2011-1024) CVE-2011-1024 openldap: forwarded bind failure messages cause success
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http://www.redhat.com/support/errata/RHSA-2011-0346.html
Support
-
http://openwall.com/lists/oss-security/2011/02/24/12
oss-security - CVE Request -- OpenLDAP -- two issues
-
http://www.mandriva.com/security/advisories?name=MDVSA-2011:055
mandriva.com
-
http://openwall.com/lists/oss-security/2011/02/25/13
oss-security - Re: CVE Request -- OpenLDAP -- two issues
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http://www.ubuntu.com/usn/USN-1100-1
USN-1100-1: OpenLDAP vulnerabilities | Ubuntu security notices
-
http://www.openldap.org/its/index.cgi/Software%20Bugs?id=6607
OpenLDAP ITS - Software Bugs/6607
-
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735
Juniper Networks - 2016-04 Security Bulletin: CTP Series: Multiple vulnerabilities in CTP Series
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http://www.vupen.com/english/advisories/2011/0665
Webmail | OVH- OVHVendor Advisory
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http://www.openldap.org/lists/openldap-announce/201102/msg00000.html
OpenLDAP 2.4.24 availablePatch
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http://securitytracker.com/id?1025188
OpenLDAP Forwarding Error May Let Remote Users Bypass Authentication for External Applications - SecurityTracker
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