CVE-2018-19274

Passing an absolute path to a file_exists check in phpBB before 3.2.4 allows Remote Code Execution through Object Injection by employing Phar deserialization when an attacker has access to the Admin Control Panel with founder permissions.

CVSS v3 7.2 HIGH
CVSS v2.0 6.5 MEDIUM

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://blog.ripstech.com/2018/phpbb3-phar-deserialization-to-remote-code-execution/	Exploit Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00029.html	Mailing List Third Party Advisory
https://www.phpbb.com/community/viewtopic.php?f=14&t=2492206	Patch Vendor Advisory
https://blog.ripstech.com/2018/phpbb3-phar-deserialization-to-remote-code-execution/	Exploit Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00029.html	Mailing List Third Party Advisory
https://www.phpbb.com/community/viewtopic.php?f=14&t=2492206	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:phpbb:phpbb:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2018-11-17 13:29

Updated : 2024-11-21 03:57

NVD link : CVE-2018-19274

Mitre link : CVE-2018-19274

CVE.ORG link : CVE-2018-19274

JSON object : View

Products Affected

debian

debian_linux

phpbb

phpbb

CWE

CWE-502

Deserialization of Untrusted Data

CWE-1321

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

{"id": "CVE-2018-19274", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.2}]}, "published": "2018-11-17T13:29:00.240", "references": [{"url": "https://blog.ripstech.com/2018/phpbb3-phar-deserialization-to-remote-code-execution/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00029.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.phpbb.com/community/viewtopic.php?f=14&t=2492206", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://blog.ripstech.com/2018/phpbb3-phar-deserialization-to-remote-code-execution/", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00029.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.phpbb.com/community/viewtopic.php?f=14&t=2492206", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-502"}, {"lang": "en", "value": "CWE-1321"}]}], "descriptions": [{"lang": "en", "value": "Passing an absolute path to a file_exists check in phpBB before 3.2.4 allows Remote Code Execution through Object Injection by employing Phar deserialization when an attacker has access to the Admin Control Panel with founder permissions."}, {"lang": "es", "value": "El paso de una ruta absoluta a una comprobaci\u00f3n file_exists en phpBB en versiones anteriores a la 3.2.4 permite la ejecuci\u00f3n remota de c\u00f3digo mediante una inyecci\u00f3n de objetos al emplear la deserializaci\u00f3n Phar cuando un atacante tiene acceso al panel de control de administrador con permisos de fundador."}], "lastModified": "2024-11-21T03:57:39.230", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:phpbb:phpbb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E43C932A-DEB2-4CB4-B2DB-AFFD11221049", "versionEndExcluding": "3.2.4"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}