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 v3.0 7.2 HIGH
CVSS v2.0 6.5 MEDIUM

7.2^/10

CVSS v3.0 : 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://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

Advertisement

Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

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

Information

Published : 2018-11-17 05:29

Updated : 2022-12-02 11:21

NVD link : CVE-2018-19274

Mitre link : CVE-2018-19274

JSON object : View

CWE

CWE-1321

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

CWE-502

Deserialization of Untrusted Data

Advertisement

Products Affected

debian

debian_linux

phpbb

phpbb

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.phpbb.com/community/viewtopic.php?f=14&t=2492206", "name": "https://www.phpbb.com/community/viewtopic.php?f=14&t=2492206", "tags": ["Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://blog.ripstech.com/2018/phpbb3-phar-deserialization-to-remote-code-execution/", "name": "https://blog.ripstech.com/2018/phpbb3-phar-deserialization-to-remote-code-execution/", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00029.html", "name": "[debian-lts-announce] 20181124 [SECURITY] [DLA 1593-1] phpbb3 security update", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}]}, "data_format": "MITRE", "description": {"description_data": [{"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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-502"}, {"lang": "en", "value": "CWE-1321"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2018-19274", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"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"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"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}}, "publishedDate": "2018-11-17T13:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:phpbb:phpbb:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "3.2.4"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-12-02T19:21Z"}