CVE-2018-20298

S3 Browser before 8.1.5 contains an XML external entity (XXE) vulnerability, allowing remote attackers to read arbitrary files and obtain NTLMv2 hash values by tricking a user into connecting to a malicious server via the S3 protocol.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector : AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://s3browser.com/news.aspx	Release Notes Vendor Advisory
https://www.ptsecurity.com/ww-en/analytics/threatscape/pt-2018-34/	Third Party Advisory
https://s3browser.com/news.aspx	Release Notes Vendor Advisory
https://www.ptsecurity.com/ww-en/analytics/threatscape/pt-2018-34/	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:s3browser:s3_browser:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2018-12-19 17:29

Updated : 2024-11-21 04:01

NVD link : CVE-2018-20298

Mitre link : CVE-2018-20298

CVE.ORG link : CVE-2018-20298

JSON object : View

Products Affected

s3browser

s3_browser

CWE

CWE-611

Improper Restriction of XML External Entity Reference

{"id": "CVE-2018-20298", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2018-12-19T17:29:00.390", "references": [{"url": "https://s3browser.com/news.aspx", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.ptsecurity.com/ww-en/analytics/threatscape/pt-2018-34/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://s3browser.com/news.aspx", "tags": ["Release Notes", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.ptsecurity.com/ww-en/analytics/threatscape/pt-2018-34/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-611"}]}], "descriptions": [{"lang": "en", "value": "S3 Browser before 8.1.5 contains an XML external entity (XXE) vulnerability, allowing remote attackers to read arbitrary files and obtain NTLMv2 hash values by tricking a user into connecting to a malicious server via the S3 protocol."}, {"lang": "es", "value": "S3 Browser en versiones anteriores a la 8.1.5 contiene una vulnerabilidad de XEE (XML External Entity), que permite que los atacantes remotos lean archivos arbitrarios y obtengan los valores del hash NTLMv2 enga\u00f1ando a un usuario para que se conecte a un servidor malicioso mediante el protocolo S3."}], "lastModified": "2024-11-21T04:01:10.700", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:s3browser:s3_browser:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D9C93411-8870-4B4E-9E03-71F4AC3D6F4C", "versionEndExcluding": "8.1.5"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}