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MitreCVE-2018-20298

HistoryDec 19, 2018 - 5:29 p.m.

CVE-2018-20298

2018-12-1917:29:00

CWE-611

mitre

web.nvd.nist.gov

s3 browser

xxe

vulnerability

cve-2018-20298

nvd

remote attackers

ntlmv2 hash

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

6.4

Confidence

High

EPSS

0.002

Percentile

64.8%

JSON

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.

Affected configurations

Nvd

Node

s3browsers3_browserRange<8.1.5

VendorProductVersionCPE
s3browsers3_browser*cpe:2.3:a:s3browser:s3_browser:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
s3browser	s3_browser	*	cpe:2.3:a:s3browser:s3_browser::::::::

References

s3browser.com/news.aspx

www.ptsecurity.com/ww-en/analytics/threatscape/pt-2018-34/

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

6.4

Confidence

High

EPSS

0.002

Percentile

64.8%

JSON

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