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AUSCERT External Security Bulletin Redistribution
ESB-2019.3391.2
SYMSA1492-Linux Kernel Vulnerabilities May-June 2019
20 January 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Symantec Advanced Secure Gateway (ASG)
Symantec Content Analysis (CA)
Symantec Director Mail Threat Defense (MTD)
Symantec Malware Analysis (MA)
Symantec Management Center (MC)
Symantec PacketShaper (PS) S-Series
Symantec PolicyCenter (PC) S-Series
Symantec Reporter
Symantec Security Analytics (SA)
Symantec SSL Visibility (SSLV)
Symantec Web Isolation (WI)
Symantec X-Series XOS
Publisher: Symantec
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Network Appliance
Virtualisation
Impact/Access: Increased Privileges -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-11815 CVE-2019-11479 CVE-2019-11478
CVE-2019-11477
Reference: ASB-2019.0178
ASB-2019.0174
ASB-2019.0172
ESB-2019.3335
ESB-2019.3313
ESB-2019.3208
Original Bulletin:
http://support.symantec.com/us/en/article.SYMSA1492.html
Revision History: January 20 2020: A fix for Malware Analysis will not be provided. Please upgrade to a
version of Content Analysis with the vulnerability fixes.
September 6 2019: Initial Release
- --------------------------BEGIN INCLUDED TEXT--------------------
Linux Kernel Vulnerabilities May-June 2019
SYMSA1492
Last Updated January 19, 2020
Initial Publication Date September 05, 2019
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o Status: Open
o Severity: High
o CVSS Base Score: 8.1
Summary
Affected Products
+-----------------------------------------------------------------------------+
| Content Analysis (CA) |
+------------------------------+--------------------+-------------------------+
| CVE |Supported Version(s)|Remediation |
+------------------------------+--------------------+-------------------------+
| |2.3 |Not available at this |
| CVE-2019-11477, | |time |
| CVE-2019-11478, +--------------------+-------------------------+
| CVE-2019-11479 |2.4 |Not available at this |
| | |time |
+------------------------------+--------------------+-------------------------+
+-----------------------------------------------------------------------------+
| Director |
+-----------------------------+--------------------+--------------------------+
| CVE |Supported Version(s)|Remediation |
+-----------------------------+--------------------+--------------------------+
| CVE-2019-11478, |6.1 |Not available at this time|
| CVE-2019-11479 | | |
+-----------------------------+--------------------+--------------------------+
+-----------------------------------------------------------------------------+
| Mail Threat Defense (MTD) |
+------------------------------+--------------------+-------------------------+
| CVE |Supported Version(s)|Remediation |
+------------------------------+--------------------+-------------------------+
| CVE-2019-11477, | |Not available at this |
| CVE-2019-11478, |1.1 |time |
| CVE-2019-11479 | | |
+------------------------------+--------------------+-------------------------+
+-----------------------------------------------------------------------------+
| Malware Analysis (MA) |
+-----------------------+--------------+--------------------------------------+
| CVE |Supported |Remediation |
| |Version(s) | |
+-----------------------+--------------+--------------------------------------+
| CVE-2019-11477, | |Upgrade to a version of Content |
| CVE-2019-11478, |4.2 |Analysis with fixes. |
| CVE-2019-11479 | | |
+-----------------------+--------------+--------------------------------------+
+-----------------------------------------------------------------------------+
| Management Center (MC) |
+------------------------------+--------------------+-------------------------+
| CVE |Supported Version(s)|Remediation |
+------------------------------+--------------------+-------------------------+
| |2.2 |Not available at this |
| CVE-2019-11477, | |time |
| CVE-2019-11478, +--------------------+-------------------------+
| CVE-2019-11479 |2.3 |Not available at this |
| | |time |
+------------------------------+--------------------+-------------------------+
+-----------------------------------------------------------------------------+
| PacketShaper (PS) S-Series |
+------------------------------+--------------------+-------------------------+
| CVE |Supported Version(s)|Remediation |
+------------------------------+--------------------+-------------------------+
| |11.6 |Not available at this |
| | |time |
| CVE-2019-11477, +--------------------+-------------------------+
| CVE-2019-11478, |11.9 |Not available at this |
| CVE-2019-11479 | |time |
| +--------------------+-------------------------+
| |11.10 |Not available at this |
| | |time |
+------------------------------+--------------------+-------------------------+
+-----------------------------------------------------------------------------+
| PolicyCenter (PC) S-Series |
+------------------------------+--------------------+-------------------------+
| CVE |Supported Version(s)|Remediation |
+------------------------------+--------------------+-------------------------+
| CVE-2019-11477, | |Not available at this |
| CVE-2019-11478, |1.1 |time |
| CVE-2019-11479 | | |
+------------------------------+--------------------+-------------------------+
+-----------------------------------------------------------------------------+
| Reporter |
+------------------------------+--------------------+-------------------------+
| CVE |Supported Version(s)|Remediation |
+------------------------------+--------------------+-------------------------+
| |10.3 |Not available at this |
| CVE-2019-11477, | |time |
| CVE-2019-11478, +--------------------+-------------------------+
| CVE-2019-11479 |10.4 |Not available at this |
| | |time |
+------------------------------+--------------------+-------------------------+
+-----------------------------------------------------------------------------+
| Security Analytics (SA) |
+------------------------------+--------------------+-------------------------+
| CVE |Supported Version(s)|Remediation |
+------------------------------+--------------------+-------------------------+
| |7.2 |Not available at this |
| | |time |
| CVE-2019-11477, +--------------------+-------------------------+
| CVE-2019-11478, |7.3 |Not available at this |
| CVE-2019-11479 | |time |
| +--------------------+-------------------------+
| |8.0 |Not available at this |
| | |time |
+------------------------------+--------------------+-------------------------+
+-----------------------------------------------------------------------------+
| SSL Visibility (SSLV) |
+------------------------------+--------------------+-------------------------+
| CVE |Supported Version(s)|Remediation |
+------------------------------+--------------------+-------------------------+
| |3.10 |Not available at this |
| | |time |
| +--------------------+-------------------------+
| |3.12 |Not available at this |
| | |time |
| CVE-2019-11477, +--------------------+-------------------------+
| CVE-2019-11478, |4.4 |Not available at this |
| CVE-2019-11479 | |time |
| +--------------------+-------------------------+
| |4.5 |Not available at this |
| | |time |
| +--------------------+-------------------------+
| |5.0 |Not available at this |
| | |time |
+------------------------------+--------------------+-------------------------+
+----------------------------------------------------------------------------+
| Web Isolation (WI) |
+-------------------------------+--------------------+-----------------------+
| CVE |Supported Version(s)|Remediation |
+-------------------------------+--------------------+-----------------------+
|CVE-2019-11477, CVE-2019-11478,|1.12 |Upgrade to 1.12.21+433.|
| CVE-2019-11479 +--------------------+-----------------------+
| |1.13 and later |Not vulnerable, fixed. |
+-------------------------------+--------------------+-----------------------+
+-----------------------------------------------------------------------------+
| X-Series XOS |
+-----------------------------+--------------------+--------------------------+
| CVE |Supported Version(s)|Remediation |
+-----------------------------+--------------------+--------------------------+
| |10.0 |Not vulnerable |
| CVE-2019-11477 +--------------------+--------------------------+
| |11.0 |Not available at this time|
+-----------------------------+--------------------+--------------------------+
| CVE-2019-11478, |10.0, 11.0 |Not available at this time|
| CVE-2019-11479 | | |
+-----------------------------+--------------------+--------------------------+
| CVE-2019-11815 |10.0, 11.0 |Under investigation |
+-----------------------------+--------------------+--------------------------+
Additional Product Information
The following products are not vulnerable:
Advanced Secure Gateway
AuthConnector
BCAAA
CacheFlow (CF)
Cloud Data Protection (CDP) for Salesforce
Cloud Data Protection (CDP) for ServiceNow
Cloud Data Protection (CDP) for Oracle CRM on Demand
Cloud Data Protection (CDP) Communication Server
Cloud Data Protection (CDP) Integration Server
General Auth Connector Login Application
PacketShaper (PS)
PolicyCenter (PC)
ProxyAV
ProxyAV ConLog and ConLogXP
ProxySG
Symantec HSM Agent for the Luna SP
Unified Agent (UA)
WSS Agent (WSSA)
WSS Mobile Agent
Issues
+-----------------------------------------------------------------------------+
| CVE-2019-11815 |
+-----------+-----------------------------------------------------------------+
|Severity / |High / 8.1 (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H) |
| CVSSv3 | |
+-----------+-----------------------------------------------------------------+
|References |SecurityFocus: BID 108283 / NVD: CVE-2019-11815 |
+-----------+-----------------------------------------------------------------+
| Impact |Denial of service, privilege escalation |
+-----------+-----------------------------------------------------------------+
| |A user-after-free flaw in the RDS over TCP implementation allows |
|Description|a remote attacker to corrupt the target's memory or a local |
| |attacker to escalate their privileges on the system. |
+-----------+-----------------------------------------------------------------+
+-----------------------------------------------------------------------------+
| CVE-2019-11477 |
+-----------+-----------------------------------------------------------------+
|Severity / |High / 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) |
| CVSSv3 | |
+-----------+-----------------------------------------------------------------+
|References |SecurityFocus: BID 108801 / NVD: CVE-2019-11477 |
+-----------+-----------------------------------------------------------------+
| Impact |Denial of service |
+-----------+-----------------------------------------------------------------+
| |An integer overflow flag in TCP SACK processing allows a remote |
|Description|attacker to send crafted SACK segments on a TCP connection and |
| |cause denial of service through memory corruption. |
+-----------+-----------------------------------------------------------------+
+-----------------------------------------------------------------------------+
| CVE-2019-11478 |
+-----------+-----------------------------------------------------------------+
|Severity / |High / 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) |
| CVSSv3 | |
+-----------+-----------------------------------------------------------------+
|References |SecurityFocus: BID 108798 / NVD: CVE-2019-11478 |
+-----------+-----------------------------------------------------------------+
| Impact |Denial of service |
+-----------+-----------------------------------------------------------------+
| |An excessive resource consumption flaw in TCP SACK processing |
|Description|allows a remote attacker to send crafted SACK segments on a TCP |
| |connection and cause denial of service. |
+-----------+-----------------------------------------------------------------+
+-----------------------------------------------------------------------------+
| CVE-2019-11479 |
+-----------+-----------------------------------------------------------------+
|Severity / |High / 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) |
| CVSSv3 | |
+-----------+-----------------------------------------------------------------+
|References |SecurityFocus: BID 108818 / NVD: CVE-2019-11479 |
+-----------+-----------------------------------------------------------------+
| Impact |Denial of service |
+-----------+-----------------------------------------------------------------+
| |An excessive resource consumption flaw in TCP processing allows a|
|Description|remote attacker to send network traffic with low MSS on a TCP |
| |connection and cause denial of service. |
+-----------+-----------------------------------------------------------------+
References
[NFLX-2019-001] Linux and FreeBSD Kernel: Multiple TCP-based remote denial of
service vulnerabilities - https://github.com/Netflix/security-bulletins/blob/
master/advisories/third-party/2019-001.md
Revisions
2020-01-19 A fix for Malware Analysis will not be provided. Please upgrade to a
version of Content Analysis with the vulnerability fixes.
2019-10-07 WI 1.13 is not vulnerable.
2019-09-26 Advanced Secure Gateway (ASG) is not vulnerable.
2019-09-05 initial public release
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