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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== 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 Copy Article Title/URL Feedback Subscribe 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 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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