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AUSCERT External Security Bulletin Redistribution
ESB-2019.1622
SYMSA1481-Symantec AV Engine Arbitrary File Deletion
9 May 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Symantec AV Engine
Publisher: Symantec
Operating System: Mac OS
Impact/Access: Delete Arbitrary Files -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-9698
Original Bulletin:
http://support.symantec.com/content/unifiedweb/en_US/article.SYMSA1481.html
- --------------------------BEGIN INCLUDED TEXT--------------------
Security Advisory ID SYMSA1481
Initial Publication Date: 1 May 2019
Advisory Status: Closed
Advisory Severity: Medium
CVSS Base Score: 5.1
Summary
Affected Products
+-------------------------------------------------------------------------+
|Symantec AV Engine (For Mac Endpoints Only) |
+-------------+-------------------+---------------------------------------+
|CVE |Affected Version(s)|Remediation |
+-------------+-------------------+---------------------------------------+
|CVE-2019-9698|Prior to 13.0.9r17 |Upgrade to 13.0.9r17 via LiveUpdate ^TM|
+-------------+-------------------+---------------------------------------+
Issues
+-----------------------------------------------------------------------------+
|CVE-2019-9698 |
+------------+----------------------------------------------------------------+
|Severity/ |Medium / 5.1 AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L |
|CVSSv3: | |
+------------+----------------------------------------------------------------+
|References: |Security Focus: BID 108128 / NVD: CVE-2019-9698 |
| | |
|Impact: |Arbitrary File Deletion |
+------------+----------------------------------------------------------------+
| |Symantec AV Engine (Mac endpoints only) may be susceptible to an|
|Description:|arbitrary file deletion issue, which is a type of vulnerability |
| |that could allow an attacker to delete files on the resident |
| |system without elevated privileges. |
+------------+----------------------------------------------------------------+
Mitigation
This issue was validated by the product team engineers. A Symantec AV Engine
fix, version 13.0.9r17, has been released that addresses the aforementioned
issue. Note that this update is specific to Mac endpoints only.
AV Engine updates occur automatically via LiveUpdate ^ TM ; user interaction is
not directly required. Rollout of this particular update occurred on 4/24/2019
. 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-2019-9698: RACK911 Labs https://www.rack911labs.com/
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