CONTENTS:

NOTABLE RECENT SECURITY ISSUES
INTERESTING NEWS FROM AROUND THE SECURITY COMMUNITY
VULNERABILITIES FOR WHICH EXPLOITS ARE AVAILABLE
MOST PREVALENT MALWARE FILES August 30 - September 6, 2018
TOP VULNERABILITY THIS WEEK: Continued coverage of Apache Struts vulnerability

NOTABLE RECENT SECURITY ISSUES
SELECTED BY THE TALOS SECURITY INTELLIGENCE AND RESEARCH GROUP

Title: Additional protection for Apache Struts flaw
Description: Cisco Talos has released additional coverage for a critical vulnerability in Apache Struts that could allow an attacker to execute arbitrary code on a targeted system. The bug impacts multiple Cisco products and has already been used in the wild(https://searchsecurity.techtarget.com/news/252447943/Another-patched-Apache-Struts-vulnerability-exploited) to install a cryptocurrency miner on multiple machines.
Reference: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180823-apache-struts
Snort SID: 29639, 39190 - 39191, 47634, 47689 - 47691

Title: Cisco TelePresence code injection vulnerability
Description: There is a flaw in the way that Cisco TelePresence IX5000 Series software and Cisco TelePresence TX9000 series software handles HTML inline frames. The bug could allow a malicious actor to carry out click-jacking or other client-side browser-based attacks.
Reference: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180516-telepres-xfs
Snort SID: 47679 - 47681

Title: Shrug2 ransomware adds new features
Description: The ransomware Shrug2 has been spotted in the wild with new features, making it more effective than the original version discovered in July. Shrug2, which is built on the .NET framework, can encrypt 76 different types of files. Once infected, a user is asked to pay $70 in the form of bitcoins to the attacker.
Reference: https://blogs.quickheal.com/new-net-ransomware-shrug2/
Snort SID: 47692

INTERESTING NEWS FROM AROUND THE SECURITY COMMUNITY

The U.S. Department of Justice says it may not be able to prosecute hackers who target voting machines, saying that current federal law may not allow for it, since the machines arent connected to the internet.
https://motherboard.vice.com/en_us/article/vbjwy9/justice-department-warns-it-might-not-be-able-to-prosecute-voting-machine-hackers

Yahoo continues to scan the emails its users receive in an effort to sell that data to advertisers. This is a practice that others in the industry, such as Google, have stopped over the past few years. (paywall)
https://www.wsj.com/articles/yahoo-bucking-industry-scans-emails-for-data-to-sell-advertisers-1535466959

A hacker posted an unpatched vulnerability in Windows Task Scheduler on Twitter and GitHub that affects all Windows 64-bit users.
https://www.bleepingcomputer.com/news/security/exploit-published-for-unpatched-flaw-in-windows-task-scheduler/

Attackers are exploiting a bug in Apple Macs to target government agencies in the Middle East.
https://www.forbes.com/sites/thomasbrewster/2018/08/30/apple-mac-loophole-breached-in-middle-east-hacks/#2feda81e6fd6

The U.S. accused China of carrying out a large-scale campaign on LinkedIn to recruit Americans with knowledge of government and commercial secrets.
https://www.reuters.com/article/us-linkedin-china-espionage-exclusive/exclusive-chief-u-s-spy-catcher-says-china-using-linkedin-to-recruit-americans-idUSKCN1LG15Y

U.S. Congress is urging the MITRE Corp. to improve the Common Vulnerabilities and Exposures (CVE) process, and it may mean more government funding for the nonprofit.
https://www.csoonline.com/article/3300753/security/congress-pushes-mitre-to-fix-cve-program-suggests-regular-reviews-and-stable-funding.html

A hacker behind the leak of several celebrities nude photos was sentenced to eight months in prison, a sentence that many say is too lenient.
https://www.theguardian.com/technology/2018/aug/29/nude-photo-hacker-prison-sentence-jennifer-lawrence-victims?CMP=twt_gu

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-2018-11776
Title: Apache Struts 2 Namespace Remote Code Execution Vulnerability (S2-057)
Vendor: Apache Software Foundation
Description: Apache Struts versions 2.3 to 2.3.34 and 2.5 to 2.5.16 suffer from possible Remote Code Execution when using results with no namespace and in same time, its upper action(s) have no or wildcard namespace. Same possibility when using url tag which doesn’t have value and action set and in same time, its upper action(s) have no or wildcard namespace.
CVSS v2 Base Score: 10.0 (AV:N/AC:L/Au:N/C:C/I:C/A:C)

ID: CVE-2018-2628
Title: Oracle Weblogic Deserialization Remote Code Execution Vulnerability
Vendor: Oracle
Description: Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: WLS Core Components). Supported versions that are affected are 10.3.6.0, 12.1.3.0, 12.2.1.2 and 12.2.1.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server.
CVSS v2 Base Score: 7.5 (AV:N/AC:L/Au:N/C:P/I:P/A:P)

ID: CVE-2018-8174
Title: Windows VBScript Engine Remote Code Execution Vulnerability
Vendor: Microsoft
Description: The VBScript engine contains a remote code execution vulnerability due to how it handles objects in memory. An attacker could execute arbitrary code in the context of the current user.
CVSS v2 Base Score: 7.6 (AV:N/AC:H/Au:N/C:C/I:C/A:C)

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-2017-12636
Title: Apache CouchDB Remote Code Execution Vulnerability
Vendor: Apache Software Foundation
Description: CouchDB administrative users can configure the database server via HTTP(S). Some of the configuration options include paths for operating system-level binaries that are subsequently launched by CouchDB. This allows an admin user in Apache CouchDB before 1.7.0 and 2.x before 2.1.1 to execute arbitrary shell commands as the CouchDB user, including downloading and executing scripts from the public internet.
CVSS v2 Base Score: 9.0 (AV:N/AC:L/Au:S/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)

MOST PREVALENT MALWARE FILES August 30 - September 6, 2018
COMPILED BY TALOS SECURITY INTELLIGENCE AND RESEARCH GROUP

SHA 256: 0b5a060cb8ac0611f910926087d68eb86156149f2c3bf7ac85feafd7af3bc576
MD5: 7a000e948bc4d2dfc304d734a7ddc7a17a0
VirusTotal: https://www.virustotal.com/#/file/0b5a060cb8ac0611f910926087d68eb86156149f2c3bf7ac85feafd7af3bc576/details
Typical Filename: maftask.zip
Claimed Product: N/A
Detection Name: PUA.Osx.Trojan.Amcleanerca::agent.tht.talos

SHA 256: 15716598f456637a3be3d6c5ac91266142266a9910f6f3f85cfd193ec1d6ed8b
MD5: 799b30f47060ca05d80ece53866e01cc799
VirusTotal: https://www.virustotal.com/#/file/15716598f456637a3be3d6c5ac91266142266a9910f6f3f85cfd193ec1d6ed8b/details
Typical Filename: mf2016341595.exe
Claimed Product: N/A
Detection Name: W32.Generic:Gen.21ij.1201

SHA 256: c3e530cc005583b47322b6649ddc0dab1b64bcf22b124a492606763c52fb048f
MD5: e2ea315d9a83e7577053f52c974f6a5ae2e
VirusTotal: https://www.virustotal.com/#/file/c3e530cc005583b47322b6649ddc0dab1b64bcf22b124a492606763c52fb048f/details
Typical Filename: Tempmf582901854.exe
Claimed Product: N/A
Detection Name: W32.AgentWDCR:Gen.21gn.1201

SHA 256: 800c0d8e5a72d856398894329b6e3927b5b46bda9f8157d6e47c059cea3cb5b7
MD5: 68bdead645dc97e55597be4aa3664fa968b
VirusTotal: https://www.virustotal.com/#/file/800c0d8e5a72d856398894329b6e3927b5b46bda9f8157d6e47c059cea3cb5b7/details
Typical Filename: SearchBar_2.25.exe
Claimed Product: Desktop Search Bar
Detection Name: PUA.Win.Ransomware.Spigot::in03.talos

SHA 256: c2a25323747317ccfcd1157fd08779f177a994db32672a1c28d83d199b23fc84
MD5: a9bae0c302ab960b98900051e377138ea9b
VirusTotal: https://www.virustotal.com/#/file/c2a25323747317ccfcd1157fd08779f177a994db32672a1c28d83d199b23fc84/details
Typical Filename: wpsnotify.exe
Claimed Product: WPS Office
Detection Name: PUA.Win.Trojan.Kingsoft::100.sbx.vioc