CVE-2021-31826 - Vulnerability Details - OpenCVE

Description

Shibboleth Service Provider 3.x before 3.2.2 is prone to a NULL pointer dereference flaw involving the session recovery feature. The flaw is exploitable (for a daemon crash) on systems not using this feature if a crafted cookie is supplied.

Published: 2021-04-27

Score: 7.5 High

EPSS: 1.5% Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:shibboleth:service_provider:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
Debian DSA	DSA-4905-1	shibboleth-sp security update
EUVD	EUVD-2021-18701	Shibboleth Service Provider 3.x before 3.2.2 is prone to a NULL pointer dereference flaw involving the session recovery feature. The flaw is exploitable (for a daemon crash) on systems not using this feature if a crafted cookie is supplied.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.01478.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://bugs.debian.org/987608
https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=5a47c3b9378f4c49392dd4d15189b70956f9f2ec
https://issues.shibboleth.net/jira/browse/SSPCPP-927
https://shibboleth.net/community/advisories/secadv_20210426.txt
https://www.debian.org/security/2021/dsa-4905

History

No history.

Subscriptions

Shibboleth Service Provider

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-04-27T03:33:47.000Z

Updated: 2024-08-03T23:10:30.613Z

Reserved: 2021-04-27T00:00:00.000Z

Link: CVE-2021-31826

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-04-27T04:15:08.550

Modified: 2024-11-21T06:06:18.140

Link: CVE-2021-31826

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-476

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Shibboleth Service Provider 3.x before 3.2.2 is prone to a NULL pointer dereference flaw involving the session recovery feature. The flaw is exploitable (for a daemon crash) on systems not using this feature if a crafted cookie is supplied."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-04-28T04:06:12.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://shibboleth.net/community/advisories/secadv_20210426.txt"}, {"tags": ["x_refsource_MISC"], "url": "https://issues.shibboleth.net/jira/browse/SSPCPP-927"}, {"tags": ["x_refsource_MISC"], "url": "https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=5a47c3b9378f4c49392dd4d15189b70956f9f2ec"}, {"tags": ["x_refsource_MISC"], "url": "https://bugs.debian.org/987608"}, {"name": "DSA-4905", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "https://www.debian.org/security/2021/dsa-4905"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-31826", "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": "Shibboleth Service Provider 3.x before 3.2.2 is prone to a NULL pointer dereference flaw involving the session recovery feature. The flaw is exploitable (for a daemon crash) on systems not using this feature if a crafted cookie is supplied."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://shibboleth.net/community/advisories/secadv_20210426.txt", "refsource": "MISC", "url": "https://shibboleth.net/community/advisories/secadv_20210426.txt"}, {"name": "https://issues.shibboleth.net/jira/browse/SSPCPP-927", "refsource": "MISC", "url": "https://issues.shibboleth.net/jira/browse/SSPCPP-927"}, {"name": "https://git.shibboleth.net/view/?p=cpp-sp.git;a=commit;h=5a47c3b9378f4c49392dd4d15189b70956f9f2ec", "refsource": "MISC", "url": "https://git.shibboleth.net/view/?p=cpp-sp.git;a=commit;h=5a47c3b9378f4c49392dd4d15189b70956f9f2ec"}, {"name": "https://bugs.debian.org/987608", "refsource": "MISC", "url": "https://bugs.debian.org/987608"}, {"name": "DSA-4905", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2021/dsa-4905"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:10:30.613Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://shibboleth.net/community/advisories/secadv_20210426.txt"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://issues.shibboleth.net/jira/browse/SSPCPP-927"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=5a47c3b9378f4c49392dd4d15189b70956f9f2ec"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugs.debian.org/987608"}, {"name": "DSA-4905", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "https://www.debian.org/security/2021/dsa-4905"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-31826", "datePublished": "2021-04-27T03:33:47.000Z", "dateReserved": "2021-04-27T00:00:00.000Z", "dateUpdated": "2024-08-03T23:10:30.613Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:shibboleth:service_provider:*:*:*:*:*:*:*:*", "matchCriteriaId": "7515117E-CEA5-47C9-BE81-0D1220C06545", "versionEndExcluding": "3.2.2", "versionStartIncluding": "3.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Shibboleth Service Provider 3.x before 3.2.2 is prone to a NULL pointer dereference flaw involving the session recovery feature. The flaw is exploitable (for a daemon crash) on systems not using this feature if a crafted cookie is supplied."}, {"lang": "es", "value": "Shibboleth Service Provider versiones 3.x anteriores a 3.2.2, es propenso a un fallo de desreferencia del puntero NULL que involucra la funcionalidad session recovery. El fallo es explotable (para un bloqueo del demonio) en sistemas que no usan esta funcionalidad si es suministrada una cookie dise\u00f1ada"}], "id": "CVE-2021-31826", "lastModified": "2024-11-21T06:06:18.140", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-27T04:15:08.550", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://bugs.debian.org/987608"}, {"source": "cve@mitre.org", "url": "https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=5a47c3b9378f4c49392dd4d15189b70956f9f2ec"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Vendor Advisory"], "url": "https://issues.shibboleth.net/jira/browse/SSPCPP-927"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://shibboleth.net/community/advisories/secadv_20210426.txt"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4905"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://bugs.debian.org/987608"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=5a47c3b9378f4c49392dd4d15189b70956f9f2ec"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Vendor Advisory"], "url": "https://issues.shibboleth.net/jira/browse/SSPCPP-927"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://shibboleth.net/community/advisories/secadv_20210426.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4905"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}