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AUSCERT External Security Bulletin Redistribution
ESB-2019.2283
A vunerability has been identified in Symantec Data Loss Prevention
25 June 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: Symantec Data Loss Prevention
Publisher: Symantec
Operating System: Linux variants
Windows
Impact/Access: Cross-site Scripting -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-9701
Original Bulletin:
https://support.symantec.com/us/en/article.SYMSA1484.html
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SYMSA1484
DLP Cross Site Scripting
Last Updated June 19, 2019
Initial Publication Date June 11, 2019
===============================================================================
o Status: Closed
o Severity: Medium
o CVSS Base Score: 4.3
===============================================================================
Summary
Symantec has released updates to address an issue that was discovered in the
DLP product.
Affected Products
+----------+--------+---------------------------------------------------------+
|Product |Affected| |
|family |Version |Remediation |
| |(s) | |
+----------+--------+---------------------------------------------------------+
| | |Upgrade to 15.5 and follow remediation actions mentioned |
|Data Loss |14.x |below. Customers who are unable to upgrade immediately |
|Prevention| |should follow the risk reduction measures described |
| | |below. |
+----------+--------+---------------------------------------------------------+
| |15.0 |Refer to the "Mitigation" section below. |
+----------+--------+---------------------------------------------------------+
| |15.1 |Upgrade to 15.1 MP2 |
+----------+--------+---------------------------------------------------------+
| |15.5 |Refer to the "Mitigation" section below. |
+----------+--------+---------------------------------------------------------+
Issues
+-----------------------------------------------------------------------------+
|CVE-2019-9701 |
+------------+----------------------------------------------------------------+
|Severity/ |Medium / 4.3 AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L |
|CVSSv3: | |
+------------+----------------------------------------------------------------+
|References: |Security Focus: BID 108733 / NVD: CVE-2019-9701 |
| | |
|Impact: |Cross-site Scripting (XSS) |
+------------+----------------------------------------------------------------+
| |DLP 15.5 MP1 and all prior versions may be susceptible to a |
| |cross-site scripting (XSS) vulnerability, a type of issue that |
|Description:|can enable attackers to inject client-side scripts into web |
| |pages viewed by other users. A cross-site scripting |
| |vulnerability may be used by attackers to bypass access controls|
| |such as the same-origin policy. |
+------------+----------------------------------------------------------------+
Mitigation
The aforementioned issue was validated by product team engineers. A DLP update
for affected 15.x versions has been made available. Note that the latest
product releases are available to customers through normal support channels.
Please refer to following link for details:
https://support.symantec.com/us/en/article.ALERT2664.html
At this time, Symantec is not aware of any exploitations or adverse customer
impact from this issue.
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-2019-9701: Chapman Schleiss @_r3naissance
References
https://support.symantec.com/us/en/article.ALERT2664.html
===============================================================================
Related Products
o Data Loss Prevention Endpoint Prevent
15.5 MP1, 15.5
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