Very High
CVE-2018-8302
CVE ID
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CVE-2018-8302
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
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.
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Ratings
-
Attacker ValueVery High
-
ExploitabilityHigh
Technical Analysis
A .NET deserialization vulnerability exists within Exchange when configured with Unified Messaging (UM). An attacker needs to be able to authenticate as an Exchange user with a configured UM voice mailbox. After doing so they utilize Exchange Web Services (EWS) to upload a malicious payload before calling the target user to leave a voice mail resulting in code execution. The target user does not need to listen to the voice mail in order for the payload to be executed.
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General Information
Vendors
- microsoft
Products
- exchange server 2010,
- exchange server 2013,
- exchange server 2016
References
Additional Info
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
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