National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-12243 Detail

Current 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.

Source:  MITRE
Description Last Modified:  09/19/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 8.8 HIGH
Vector: AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 2.8


Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 5.8 MEDIUM
Vector: (AV:A/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 6.5


Access Vector (AV): Local_Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/105330 Third Party Advisory VDB Entry
https://support.symantec.com/en_US/article.SYMSA1461.html Mitigation Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Improper Restriction of XML External Entity Reference ('XXE') (CWE-611)

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-12243
NVD Published Date:
09/19/2018
NVD Last Modified:
12/07/2018