CVE-2018-20298

CVSS V2 Medium 4.3 CVSS V3 Medium 6.5

Description

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.

Overview

CVE ID
CVE-2018-20298

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2018-12-19T17:29:00

Last Modified Date
2019-02-04T19:21:19

Weakness Enumerations

CWE	URL
CWE-611	http://cwe.mitre.org/data/definitions/611.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:s3browser:s3_browser::::::::	1	OR		8.1.5

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
4.3

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
2.9

CVSS Version 3

Version
3.0

Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
REQUIRED

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
6.5

Base Severity
MEDIUM

Exploitability Score
2.8

Impact Score
3.6

References

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

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2018-20298
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20298

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:59:30				Added to TrackCVE
2022-12-03 15:29:52	2018-12-19T17:29Z	2018-12-19T17:29:00	CVE Published Date	updated
2022-12-03 15:29:52		2019-02-04T19:21:19	CVE Modified Date	updated
2022-12-03 15:29:52		Analyzed	Vulnerability Status	updated