Microsoft Exchange Server
CVE-2018-8302 — Microsoft Exchange Memory Corruption Vulnerability
Critical
2018-08 archive
Executive Summary
A remote code execution vulnerability exists in Microsoft Exchange software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the System user. An attacker could then install programs; view, change, or delete data; or create new accounts. Exploitation of the vulnerability requires that a specially crafted email be sent to a vulnerable Exchange server. The security update addresses the vulnerability by correcting how Microsoft Exchange handles objects in memory.
Overview
Critical
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
EPSS Score
No EPSS score available for this CVE.
View on FIRST.orgAffected Products
5 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 23 | 4340733 (Security Update) |
Critical | Remote Code Execution | Maybe |
| Microsoft Exchange Server 2013 Cumulative Update 20 | 4340731 (Security Update) |
Critical | Remote Code Execution | Maybe |
| Microsoft Exchange Server 2013 Cumulative Update 21 | 4340731 (Security Update) |
Critical | Remote Code Execution | Maybe |
| Microsoft Exchange Server 2016 Cumulative Update 10 | 4340731 (Security Update) |
Critical | Remote Code Execution | Maybe |
| Microsoft Exchange Server 2016 Cumulative Update 9 | 4340731 (Security Update) |
Critical | Remote Code Execution | Maybe |
Patches
2 patches
| Article | Type | Restart |
|---|---|---|
4340733 |
Security Update | Maybe |
4340731 |
Security Update | Maybe |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
Anonymous working with Trend Micro's Zero Day Initiative
References
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