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@RISK provides a reliable weekly summary of (1) newly discovered attack vectors, (2) vulnerabilities with active new exploits, (3) insightful explanations of how recent attacks worked, and other valuable data

A key purpose of the @RISK is to provide the data that will ensure that the 20 Critical Controls (the US and UK benchmark for effective protection of networked systems) continue to be the most effective defenses for all known attack vectors. But since it is also valuable for security practitioners, SANS is making it available to the 145,000 security practitioners who have completed SANS security training and others at their organizations who hope to stay current with the offensive methods in use.

April 19, 2018

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     @RISK: The Consensus Security Vulnerability Alert

                    April 19, 2018 - Vol. 18, Num. 16


Providing a reliable, weekly summary of newly discovered attack vectors,

vulnerabilities with active exploits, and explanations of how recent

attacks worked


Archived issues may be found at http://www.sans.org/newsletters/at-risk


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CONTENTS:

NOTABLE RECENT SECURITY ISSUES

INTERESTING NEWS FROM AROUND THE SECURITY COMMUNITY

VULNERABILITIES FOR WHICH EXPLOITS ARE AVAILABLE

MOST PREVALENT MALWARE FILES 2018-04-10 - 2018-04-17

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TOP VULNERABILITY THIS WEEK: Oracle releases critical patches, 251 vulnerabilities found


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TRAINING UPDATE


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-- SANS Melbourne 2018 | May 14-26 https://www.sans.org/event/melbourne-2018


-- SANS Northern VA Reston Spring 2018 | May 2025 https://www.sans.org/event/northern-va-reston-spring-2018


-- SANS Amsterdam May 2018 | May 28-June 2 https://www.sans.org/event/amsterdam-may-2018


-- SANS Rocky Mountain 2018 | Denver, CO | June 4-9 https://www.sans.org/event/rocky-mountain-2018


-- SANS London June 2018 | June 4-12 https://www.sans.org/event/london-june-2018


-- DFIR Summit & Training 2018 | Austin, TX | June 7-14 https://www.sans.org/event/digital-forensics-summit-2018


-- SANS Cyber Defence Canberra 2018 | June 25-July 7 https://www.sans.org/event/cyber-defence-canberra-2018


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NOTABLE RECENT SECURITY ISSUES

SELECTED BY THE TALOS SECURITY INTELLIGENCE AND RESEARCH GROUP


Title: Oracle releases critical patches, 251 vulnerabilities found

Description: Oracle released its monthly critical patch update this week, fixing vulnerabilities across hundreds of products. In all, Oracle found 251 new security vulnerabilities. Some of the products with the most fixes include Oracle Fusion Middleware, Oracle Retail Applications and Oracle Financial Applications. Oracle users are urged to download these patches as quickly as possible.

Reference: http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html

Snort SID: Detection pending release of vulnerability information


Title: Cisco releases fixes for Smart Install remote code execution vulnerability

Description: Cisco released a patch for the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software that could allow an attacker to gain the ability to remotely execute code. The vulnerability is due to improper validation of packet data. The patch this week is a continuation of a previous advisory that Cisco released in late March alerting customers of vulnerabilities involving the Smart Install client.

Reference: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi2

Snort SID: 46096; 46097


Title: VMware discloses two vulnerabilities in vRealize Automation

Description: VMware has patched two vulnerabilities in the cloud management suite vRealize Automation. The patches cover CVE-2018-6958 and CVE-2018-6959. Users are urged to update to the most recent version of vRealize Automation as soon as possible. The two vulnerabilities could lead to the host machine being compromised, or the hijacking of the users session in vRealize, respectively.

Reference: https://www.vmware.com/security/advisories/VMSA-2018-0009.html

Snort SID: Detection pending release of vulnerability information.


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INTERESTING NEWS FROM AROUND THE SECURITY COMMUNITY


U.S., U.K. cyber officials warn of Russian attacks on private routers

https://mashable.com/2018/04/17/russian-router-warning-us-uk/#buS9rzZsjsqT


Microsoft, Facebook among major tech firms to vow to not aid governments in cyber attacks

https://www.reuters.com/article/us-usa-cyber-microsoft/tech-firms-including-microsoft-facebook-vow-not-to-aid-government-cyber-attacks-idUSKBN1HO283


Why vulnerabilities keep coming up in Adobe Flash, despite a decline in usage

https://securingtomorrow.mcafee.com/mcafee-labs/despite-decline-use-adobe-flash-vulnerabilities-will-continue-cause-concern/


IBM releases new open-source software to protect AI systems from attacks

https://www.securityweek.com/ibm-releases-open-source-ai-security-tool


Cryptomining surpasses ransomware as most popular malware so far in 2018

https://threatpost.com/cryptominer-malware-threats-overtake-ransomware-report-warns/131237/


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RECENT

VULNERABILITIES FOR WHICH EXPLOITS ARE AVAILABLE

COMPILED BY THE QUALYS VULNERABILITY RESEARCH TEAM


This is a list of recent vulnerabilities for which exploits are

available. System administrators can use this list to help in

prioritization of their remediation activities. The Qualys Vulnerability

Research Team compiles this information based on various exploit

frameworks, exploit databases, exploit kits and monitoring of internet

activity.


ID:     CVE-2018-7600

Title:     Drupal Core Remote Code Execution Vulnerability (SA-CORE-2018-002)

Vendor: Drupal

Description: Drupal before 7.58, 8.x before 8.3.9, 8.4.x before 8.4.6, and 8.5.x before 8.5.1 allows remote attackers to execute arbitrary code because of an issue affecting multiple subsystems with default or common module configurations.

CVSS v2 Base Score: 10.0 (AV:N/AC:L/Au:N/C:C/I:C/A:C)


ID:     CVE-2018-0886

Title:     Microsoft Credential Security Support Provider Remote Code Execution Vulnerability

Vendor: Microsoft

Description: The Credential Security Support Provider protocol (CredSSP) in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and 1709 Windows Server 2016 and Windows Server, version 1709 allows a remote code execution vulnerability due to how CredSSP validates request during the authentication process, aka "CredSSP Remote Code Execution Vulnerability".

CVSS v2 Base Score: 7.6 (AV:N/AC:H/Au:N/C:C/I:C/A:C)


ID:     CVE-2018-4878

Title:     Adobe Flash Player Remote Code Execution Vulnerability (APSA18-01)

Vendor: Adobe

Description: A critical vulnerability exists in Adobe Flash Player 28.0.0.137 and earlier versions. Successful exploitation could potentially allow an attacker to take control of the affected system. Adobe is aware of a report that an exploit for CVE-2018-4878 exists in the wild and is being used in targeted attacks.

CVSS v2 Base Score: 10.0 (AV:N/AC:L/Au:N/C:C/I:C/A:C)


ID:     CVE-2017-10271

Title:     Oracle WebLogic WLS Security Component Remote Code Execution

Vendor: Oracle

Description: Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: WLS Security). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.1.0 and 12.2.1.2.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server.

CVSS v2 Base Score: 5.0 (AV:N/AC:L/Au:N/C:N/I:N/A:P)


ID:     CVE-2017-8759

Title:     Microsoft .NET Framework Remote Code Execution Vulnerability

Vendor: Microsoft

Description: A remote code execution vulnerability exists when Microsoft .NET Framework processes untrusted input. Microsoft is aware of a report that an exploit for CVE-2017-8759 exists in the wild and is being used in targeted attacks.

Microsoft published a .NET security update to address this issue.

CVSS v2 Base Score: 10.0 (AV:N/AC:L/Au:N/C:C/I:C/A:C)


ID:     CVE-2017-9805

Title:     Apache Struts REST plugin Remote Code Execution (S2-052)

Vendor: Apache Struts

Description: The REST Plugin is using a XStreamHandler with an instance of XStream for deserialization without any type filtering and this can lead to Remote Code Execution when deserializing XML payloads.

CVSS v2 Base Score: 10.0 (AV:N/AC:L/Au:N/C:C/I:C/A:C)


ID:     CVE-2017-0145

Title:     Microsoft Windows SMB Remote Code Execution Vulnerability

Vendor: Microsoft

Description: The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows remote attackers to execute arbitrary code via crafted packets, aka "Windows SMB Remote Code Execution Vulnerability." This vulnerability is different from those described in CVE-2017-0143, CVE-2017-0144, CVE-2017-0146, and CVE-2017-0148.

CVSS v2 Base Score: 10.0 (AV:N/AC:L/Au:N/C:C/I:C/A:C)


ID:     CVE-2017-5638

Title:     Apache Struts2 Input Validation Code Execution Vulnerability

Vendor: Apache

Description: The Jakarta Multipart parser in Apache Struts 2 2.3.x before 2.3.32 and 2.5.x before 2.5.10.1 mishandles file upload, which allows remote attackers to execute arbitrary commands via a #cmd= string in a crafted Content-Type HTTP header, as exploited in the wild in March 2017.

CVSS v2 Base Score: 10.0 (AV:N/AC:L/Au:N/C:C/I:C/A:C)


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MOST PREVALENT MALWARE FILES 2018-04-10 - 2018-04-17

:

COMPILED BY TALOS SECURITY INTELLIGENCE AND RESEARCH GROUP


SHA 256: AC3E93A33EA50466E096A2E2616439C93E17F8C8DBFEBDC6EF8E17D60278A65A

MD5:         905216b57fed6412ec209099ffbc16b7

VirusTotal: https://www.virustotal.com/#/file/ac3e93a33ea50466e096a2e2616439c93e17f8c8dbfebdc6ef8e17d60278a65a/details

Typical Filename: Recents file activity reports.pdf

Claimed Product: N/A

Detection Name: PDF.Auto:ac3e93a33e.in05.Talos


SHA 256: B3CB2409992B119F1FF63C11306884868185E9BC88033B5E4D7BBDE48684B9FF

MD5:         1029a50ac321b5d2c850cb64fd1ef415

VirusTotal: https://www.virustotal.com/#/file/b3cb2409992b119f1ff63c11306884868185e9bc88033b5e4d7bbde48684b9ff/details

Typical Filename: newupdate.exe

Claimed Product: WPS Office

Detection Name: PUA.Win.Trojan.Generic.in10.talos


SHA 256: C7FE73C90F530518A177159B0B66742A7DA463F070F21BAC78DFCD9F18DE6E2C

MD5:         b737dc6f5c57118f768d7f9499157976

VirusTotal: https://www.virustotal.com/#/file/c7fe73c90f530518a177159b0b66742a7da463f070f21bac78dfcd9f18de6e2c/details

Typical Filename: Invoice.html

Claimed Product: N/A

Detection Name: W32.C7FE73C90F-95.SBX.TG


SHA 256: 6925DEA0C806BEA1DB50E2CC36EDE5E6ACE4671DD5239BA0B71B74466873EE02

MD5:         f3a5f29fa18eaa6374907eee2c67d716

VirusTotal: https://www.virustotal.com/#/file/6925dea0c806bea1db50e2cc36ede5e6ace4671dd5239ba0b71b74466873ee02/details

Typical Filename: HTTP-FbnUTM3QYFw2ifWxcl.txt

Claimed Product: N/A

Detection Name: W32.Auto.6925de.MASH.RT.SBX.VIOC


SHA 256: F8FC6547A9093434FA1C4081C52B9F611F6DA1694431CA3599786977004A9895

MD5:         21445547952630f391d773491a6c75bd

VirusTotal: https://www.virustotal.com/#/file/f8fc6547a9093434fa1c4081c52b9f611f6da1694431ca3599786977004a9895/details

Typical Filename: EnvWrapper.exe

Claimed Product: ENVWrapper

Detection Name: Win.Trojan.Generic.100.sbx.vioc


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