CVE-2018-8302 : A remote code execution vulnerability exists in Microsoft Exchange software when

A remote code execution vulnerability exists in Microsoft Exchange software when the software fails to properly handle objects in memory, aka "Microsoft Exchange Memory Corruption Vulnerability." This affects Microsoft Exchange Server.

Published 2018-08-15 17:29:04

Updated 2020-08-24 17:37:01

Source Microsoft Corporation

View at NVD, CVE.org

Vulnerability category: Memory CorruptionExecute code

Products affected by CVE-2018-8302

Microsoft » Exchange Server » Version: 2010 Update SP3
cpe:2.3:a:microsoft:exchange_server:2010:sp3:*:*:*:*:*:*
Matching versions
Microsoft » Exchange Server » Version: 2013 Update Cumulative Update 20
cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_20:*:*:*:*:*:*
Matching versions
Microsoft » Exchange Server » Version: 2016 Update Cumulative Update 9
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:*:*:*:*:*:*
Matching versions
Microsoft » Exchange Server » Version: 2013 Update Cumulative Update 21
cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:*
Matching versions
Microsoft » Exchange Server » Version: 2016 Update Cumulative Update 10
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2018-8302

Top countries where our scanners detected CVE-2018-8302

Top open port discovered on systems with this issue 10001

IPs affected by CVE-2018-8302 6,566

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2018-8302!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2018-8302

EPSS FAQ

38.36%

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

~ 97 %

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

CVSS scores for CVE-2018-8302

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
10.0	HIGH	AV:N/AC:L/Au:N/C:C/I:C/A:C	10.0	10.0	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
9.8	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2018-8302

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-8302

http://www.securitytracker.com/id/1041468

Microsoft Exchange E-mail Processing Flaw Lets Remote Users Execute Arbitrary Code on the Target System - SecurityTracker
Third Party Advisory;VDB Entry
http://www.securityfocus.com/bid/104973

Microsoft Exchange CVE-2018-8302 Remote Memory Corruption Vulnerability
Third Party Advisory;VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8302

CVE-2018-8302 | Microsoft Exchange Memory Corruption Vulnerability
Patch;Vendor Advisory