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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.4083
                 SYMSA1494-Symantec SONAR Security Bypass
                              4 November 2019

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Symantec SONAR
Publisher:         Symantec
Operating System:  Windows
                   Mac OS
                   Linux variants
Impact/Access:     Denial of Service   -- Existing Account
                   Unauthorised Access -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-12752  

Original Bulletin: 
   http://support.symantec.com/us/en/article.SYMSA1494.html

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Symantec SONAR Security Bypass

SYMSA1494
Last Updated November 01, 2019
Initial Publication Date October 24, 2019
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  o Status: Closed
  o Severity: Medium
  o CVSS Base Score: 6.1

Summary

Affected Products


+-----------------------------------------------------------------------------+
|Component: SONAR Engine                                                      |
+--------------+----------------+---------------------------------------------+
|CVE           |Affected Version|Remediation                                  |
|              |(s)             |                                             |
+--------------+----------------+---------------------------------------------+
|              |                |Upgrade to 12.0.2                            |
|CVE-2019-12752|Prior to 12.0.2 |                                             |
|              |                |(Note: Live updatable; no action required by |
|              |                |customers)                                   |
+--------------+----------------+---------------------------------------------+

Issues


+-----------------------------------------------------------------------------+
|CVE-2019-12752                                                               |
+------------+----------------------------------------------------------------+
|Severity/   |Medium / 6.1 AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H                |
|CVSSv3:     |                                                                |
+------------+----------------------------------------------------------------+
|References: |Security Focus: BID 110611 / NVD: CVE-2019-12752                |
|            |                                                                |
|Impact:     |Tamper Protection Bypass                                        |
+------------+----------------------------------------------------------------+
|            |The Symantec SONAR component, prior to 12.0.2, may be           |
|Description:|susceptible to a tamper protection bypass vulnerability which   |
|            |could potentially allow an attacker to circumvent the existing  |
|            |tamper protection in use on the resident system.                |
+------------+----------------------------------------------------------------+

Mitigation



This issue has been validated by Symantec engineers. An update for Symantec
SONAR, version 12.0.2 has been released to address this issue. Note that this
release has already been pushed out automatically via Symantec LiveUpdate; no
additional action is required by customers. 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-2019-12752: Scotty Hayes <https://www.linkedin.com/in/scottyjhayes>

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