CVE-2018-8493 : An information disclosure vulnerability exists when the Windows TCP/IP stack imp

An information disclosure vulnerability exists when the Windows TCP/IP stack improperly handles fragmented IP packets, aka "Windows TCP/IP Information Disclosure Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers.

Published 2018-10-10 13:29:04

Updated 2024-04-01 15:42:45

Source Microsoft Corporation

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2018-8493

Microsoft » Windows Server 2012 » Version: R2
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows 8.1 » Version: N/A For X64
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*
Matching versions
Microsoft » Windows 8.1 » Version: N/A For X86
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x86:*
Matching versions
Microsoft » Windows 8.1 » Version: N/A RT Edition
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:rt:*:*:*
Matching versions
Microsoft » Windows Server 2016 » Version: N/A
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 1709 » Version: N/A
cpe:2.3:o:microsoft:windows_server_1709:-:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 1803 » Version: N/A
cpe:2.3:o:microsoft:windows_server_1803:-:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows 10 1607 » Version: N/A
cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows 10 1507 » Version: N/A
cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows 10 1703 » Version: N/A
cpe:2.3:o:microsoft:windows_10_1703:-:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows 10 1709 » Version: N/A
cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows 10 1803 » Version: N/A
cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2018-8493

EPSS FAQ

6.35%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 90 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-8493

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST	2024-04-01
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

References for CVE-2018-8493

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8493

CVE-2018-8493 | Windows TCP/IP Information Disclosure Vulnerability
Patch;Vendor Advisory
http://www.securitytracker.com/id/1041843

Windows TCP/IP Stack Fragmented Stack Processing Bug Lets Remote Users Obtain Potentially Sensitive Information on the Target System - SecurityTracker
Third Party Advisory;VDB Entry
http://www.securityfocus.com/bid/105456

Microsoft Windows TCP/IP CVE-2018-8493 Information Disclosure Vulnerability
Third Party Advisory;VDB Entry

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Vulnerability Details : CVE-2018-8493

Products affected by CVE-2018-8493

Exploit prediction scoring system (EPSS) score for CVE-2018-8493

CVSS scores for CVE-2018-8493

References for CVE-2018-8493