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AUSCERT External Security Bulletin Redistribution
ESB-2019.4441
Symantec Critical System Protection: Authentication Bypass
26 November 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: Symantec CSP
Publisher: Symantec
Operating System: Windows
Linux variants
Impact/Access: Unauthorised Access -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-18374
Original Bulletin:
http://support.symantec.com/us/en/article.SYMSA1498.html
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Critical System Protection Authentication Bypass
SYMSA1498
Last Updated November 25, 2019
Initial Publication Date November 18, 2019
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o Status: Closed
o Severity: Critical
o CVSS Base Score: 9.4
Summary
Affected Products
+---------------------------------------------------------+
|Critical System Protection (CSP) |
+--------------+----------------------+-------------------+
|CVE |Affected Version(s) |Remediation |
+--------------+----------------------+-------------------+
|CVE-2019-18374|8.0, 8.0 HF1 & 8.0 MP1|Apply patch 8.0 MP2|
+--------------+----------------------+-------------------+
Issues
+-----------------------------------------------------------------------------+
|CVE-2019-18374 |
+------------+----------------------------------------------------------------+
|Severity/ |Critical / 9.4. AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L |
|CVSSv3: | |
+------------+----------------------------------------------------------------+
|References: |Security Focus: BID 110877 / NVD: CVE-2019-18374 |
| | |
|Impact: |Authentication Bypass |
+------------+----------------------------------------------------------------+
| |Symantec Critical System Protection (CSP), versions 8.0, 8.0 HF1|
| |& 8.0 MP1, may be susceptible to an authentication bypass |
|Description:|vulnerability, which is a type of issue that can potentially |
| |allow a threat actor to circumvent existing authentication |
| |controls. |
+------------+----------------------------------------------------------------+
Mitigation
A Critical System Protection update, maintenance pack 8.0 MP2 , has been
released which addresses the aforementioned issue. Note that the latest
Critical System Protection releases and patches are available to customers
through normal support channels. 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-CVE-2019-18374: Kai Greshake KORAMIS GmbH <k.greshake@koramis.de >
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