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AUSCERT External Security Bulletin Redistribution
ESB-2019.2635
SYMSA1486-Symantec Messaging Gateway Privilege Escalation
16 July 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: Symantec Messaging Gateway
Publisher: Symantec
Operating System: Network Appliance
Impact/Access: Increased Privileges -- Unknown/Unspecified
Resolution: Patch/Upgrade
CVE Names: CVE-2019-12751
Original Bulletin:
http://support.symantec.com/us/en/article.SYMSA1486.html
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Symantec Messaging Gateway Privilege Escalation
SYMSA1486
Last Updated July 10, 2019
Initial Publication Date June 26, 2019
o Status: Closed
o Severity: Medium
o CVSS Base Score: 6.4
Summary
Affected Products
+----------------------------------------------------+
|Symantec Messaging Gateway (SMG) |
+--------------+-------------------+-----------------+
|CVE |Affected Version(s)|Remediation |
+--------------+-------------------+-----------------+
|CVE-2019-12751|Prior to 10.7.1 |Upgrade to 10.7.1|
+--------------+-------------------+-----------------+
Issues
+-----------------------------------------------------------------------------+
|CVE-2019-12751 |
+------------+----------------------------------------------------------------+
|Severity/ |Medium / 6.4 AV:A/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |
|CVSSv3: | |
+------------+----------------------------------------------------------------+
|References: |Security Focus: BID 108925 / NVD: CVE-2019-12751 |
| | |
|Impact: |Privilege Escalation |
+------------+----------------------------------------------------------------+
| |Symantec Messaging Gateway, prior to 10.7.1, may be susceptible |
| |to a privilege escalation vulnerability, which is a type of |
|Description:|issue whereby an attacker may attempt to compromise the software|
| |application to gain elevated access to resources that are |
| |normally protected from an application or user. |
+------------+----------------------------------------------------------------+
Mitigation
The mentioned issue was validated by the product team engineers. A Symantec
Messaging Gateway update, version 10.7.1 , has been released which addresses
the aforementioned issue. The latest releases and patches for Symantec
Messaging Gateway are available to customers through normal support channels.
At this time, Symantec is not aware of any exploitations or adverse customer
impact from these issues.
Symantec recommends the following measures to reduce risk of attack:
o Restrict access to administrative or management systems to authorized
privileged users.
o Restrict remote access to trusted/authorized systems only.
o Run under the principle of least privilege, where possible, to limit the
impact of potential exploit.
o Keep all operating systems and applications current with vendor patches.
o Follow a multi-layered approach to security. At a minimum, run both
firewall and anti-malware applications to provide multiple points of
detection and protection for both inbound and outbound threats.
o Deploy network and host-based intrusion detection systems to monitor
network traffic for signs of anomalous or suspicious activity. This may aid
in the detection of attacks or malicious activity related to the
exploitation of latent vulnerabilities.
Acknowledgements
o CVE-2019-12751: Dave of cyllective AG, cyllective.com || @cyllective
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