CVE-2018-12243

Description

The Symantec Messaging Gateway product prior to 10.6.6 may be susceptible to a XML external entity (XXE) exploit, which is a type of issue where XML input containing a reference to an external entity is processed by a weakly configured XML parser. The attack uses file URI schemes or relative paths in the system identifier to access files that should not normally be accessible.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.23%
Vendor Advisory symantec.com
Affected: Symantec Corporation Symantec Messaging Gateway
Published at:
Updated at:

References

Link Tags
https://support.symantec.com/en_US/article.SYMSA1461.html mitigation vendor advisory
http://www.securityfocus.com/bid/105330 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2018-12243?
CVE-2018-12243 has been scored as a high severity vulnerability.
How to fix CVE-2018-12243?
To fix CVE-2018-12243, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-12243 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-12243 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-12243?
CVE-2018-12243 affects Symantec Corporation Symantec Messaging Gateway.
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