CVE-2020-5281

In Perun before version 3.9.1, VO or group manager can modify configuration of the LDAP extSource to retrieve all from Perun LDAP. Issue is fixed in version 3.9.1 by sanitisation of the input.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/CESNET/perun/commit/ac527bc3225a64208ee5cee59e5918ee360ca039	Patch Third Party Advisory
https://github.com/CESNET/perun/pull/2635	Patch Third Party Advisory
https://github.com/CESNET/perun/security/advisories/GHSA-gj88-9q3f-72m3	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:cesnet:perun:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-03-25 18:15

Updated : 2020-03-30 18:33

NVD link : CVE-2020-5281

Mitre link : CVE-2020-5281

CVE.ORG link : CVE-2020-5281

JSON object : View

Products Affected

cesnet

perun

CWE

CWE-732

Incorrect Permission Assignment for Critical Resource

CWE-90

Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')

{"id": "CVE-2020-5281", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.2, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 4.7, "exploitabilityScore": 1.0}]}, "published": "2020-03-25T18:15:14.343", "references": [{"url": "https://github.com/CESNET/perun/commit/ac527bc3225a64208ee5cee59e5918ee360ca039", "tags": ["Patch", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/CESNET/perun/pull/2635", "tags": ["Patch", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/CESNET/perun/security/advisories/GHSA-gj88-9q3f-72m3", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-732"}]}, {"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-90"}]}], "descriptions": [{"lang": "en", "value": "In Perun before version 3.9.1, VO or group manager can modify configuration of the LDAP extSource to retrieve all from Perun LDAP. Issue is fixed in version 3.9.1 by sanitisation of the input."}, {"lang": "es", "value": "En Perun versiones anteriores a 3.9.1, VO o el administrador de grupo pueden modificar la configuraci\u00f3n de LDAP extSource para recuperar todo desde Perun LDAP. El problema es corregido en la versi\u00f3n 3.9.1, mediante el saneamiento de la entrada."}], "lastModified": "2020-03-30T18:33:06.197", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cesnet:perun:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C41BD02A-99DF-4490-B354-9E883FF818DB", "versionEndExcluding": "3.9.1"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}