CVE-2011-0438 - Vulnerability Details - OpenCVE

nslcd/pam.c in the nss-pam-ldapd 0.8.0 PAM module returns a success code when a user is not found in LDAP, which allows remote attackers to bypass authentication.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00442.

Key SSVC decision points have not yet been added.

Vendors	Products
Arthurdejong	Nss-pam-ldapd

Configuration 1 [-]

cpe:2.3:a:arthurdejong:nss-pam-ldapd:0.8.0:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2011-0463	nslcd/pam.c in the nss-pam-ldapd 0.8.0 PAM module returns a success code when a user is not found in LDAP, which allows remote attackers to bypass authentication.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://arthurdejong.org/nss-pam-ldapd/news.html#20110309
http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/attachments/txtVf3rHgt8qQ.txt
http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/msg00000.html
http://securityreason.com/securityalert/8132
http://www.securityfocus.com/bid/46819
https://exchange.xforce.ibmcloud.com/vulnerabilities/66028

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2011-03-15T17:00:00

Updated: 2024-08-06T21:51:08.795Z

Reserved: 2011-01-12T00:00:00

Link: CVE-2011-0438

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2011-03-15T17:55:03.250

Modified: 2025-04-11T00:51:21.963

Link: CVE-2011-0438

Redhat

No data.

OpenCVE Enrichment

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2011-03-09T00:00:00", "descriptions": [{"lang": "en", "value": "nslcd/pam.c in the nss-pam-ldapd 0.8.0 PAM module returns a success code when a user is not found in LDAP, which allows remote attackers to bypass authentication."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-08-16T14:57:01", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "8132", "tags": ["third-party-advisory", "x_refsource_SREASON"], "url": "http://securityreason.com/securityalert/8132"}, {"name": "46819", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/46819"}, {"name": "nsspamldapd-pam-sec-bypass(66028)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66028"}, {"tags": ["x_refsource_MISC"], "url": "http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/attachments/txtVf3rHgt8qQ.txt"}, {"name": "[nss-pam-ldapd-announce] 20110309 nss-pam-ldapd security advisory (CVE-2011-0438)", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/msg00000.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://arthurdejong.org/nss-pam-ldapd/news.html#20110309"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2011-0438", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "nslcd/pam.c in the nss-pam-ldapd 0.8.0 PAM module returns a success code when a user is not found in LDAP, which allows remote attackers to bypass authentication."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "8132", "refsource": "SREASON", "url": "http://securityreason.com/securityalert/8132"}, {"name": "46819", "refsource": "BID", "url": "http://www.securityfocus.com/bid/46819"}, {"name": "nsspamldapd-pam-sec-bypass(66028)", "refsource": "XF", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66028"}, {"name": "http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/attachments/txtVf3rHgt8qQ.txt", "refsource": "MISC", "url": "http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/attachments/txtVf3rHgt8qQ.txt"}, {"name": "[nss-pam-ldapd-announce] 20110309 nss-pam-ldapd security advisory (CVE-2011-0438)", "refsource": "MLIST", "url": "http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/msg00000.html"}, {"name": "http://arthurdejong.org/nss-pam-ldapd/news.html#20110309", "refsource": "CONFIRM", "url": "http://arthurdejong.org/nss-pam-ldapd/news.html#20110309"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T21:51:08.795Z"}, "title": "CVE Program Container", "references": [{"name": "8132", "tags": ["third-party-advisory", "x_refsource_SREASON", "x_transferred"], "url": "http://securityreason.com/securityalert/8132"}, {"name": "46819", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/46819"}, {"name": "nsspamldapd-pam-sec-bypass(66028)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66028"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/attachments/txtVf3rHgt8qQ.txt"}, {"name": "[nss-pam-ldapd-announce] 20110309 nss-pam-ldapd security advisory (CVE-2011-0438)", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/msg00000.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://arthurdejong.org/nss-pam-ldapd/news.html#20110309"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2011-0438", "datePublished": "2011-03-15T17:00:00", "dateReserved": "2011-01-12T00:00:00", "dateUpdated": "2024-08-06T21:51:08.795Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:arthurdejong:nss-pam-ldapd:0.8.0:*:*:*:*:*:*:*", "matchCriteriaId": "E8A0F0A1-22BF-49ED-A30B-73B8CDE944FD", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "nslcd/pam.c in the nss-pam-ldapd 0.8.0 PAM module returns a success code when a user is not found in LDAP, which allows remote attackers to bypass authentication."}, {"lang": "es", "value": "nslcd/pam.c del m\u00f3dulo PAM nss-pam-ldapd 0.8.0 devuelve un c\u00f3digo de \u00e9xito cuando el usuario no es encontrado en LDAP, lo que permite a atacantes remotos evitar la autenticaci\u00f3n."}], "id": "CVE-2011-0438", "lastModified": "2025-04-11T00:51:21.963", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-03-15T17:55:03.250", "references": [{"source": "cve@mitre.org", "url": "http://arthurdejong.org/nss-pam-ldapd/news.html#20110309"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/attachments/txtVf3rHgt8qQ.txt"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/msg00000.html"}, {"source": "cve@mitre.org", "url": "http://securityreason.com/securityalert/8132"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://www.securityfocus.com/bid/46819"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66028"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://arthurdejong.org/nss-pam-ldapd/news.html#20110309"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/attachments/txtVf3rHgt8qQ.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/msg00000.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://securityreason.com/securityalert/8132"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.securityfocus.com/bid/46819"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66028"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}