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@RISK: The Consensus Security Vulnerability Alert
October 11, 2018 - Vol. 18, Num. 41

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

CONTENTS:

NOTABLE RECENT SECURITY ISSUES
INTERESTING NEWS FROM AROUND THE SECURITY COMMUNITY
VULNERABILITIES FOR WHICH EXPLOITS ARE AVAILABLE
MOST PREVALENT MALWARE FILES October 4 - 11, 2018
TOP VULNERABILITY THIS WEEK: Microsoft patches 49 vulnerabilities as part of monthly update

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

Title: Microsoft Patch Tuesday
Description: Microsoft disclosed 49 vulnerabilities across several of its products, 12 of which are rated “critical,” 34 that are rated “important,” two that are considered to have “moderate” severity and one that’s rated as “low.” There is also a critical advisory that covers security updates in the Microsoft Office suite of products.
Reference: https://blog.talosintelligence.com/2018/10/ms-tuesday.html
Snort SID: 48045 - 48057, 48058 - 48060, 48062, 48063, 48072, 48073

Title: Cisco Prime Infrastructure arbitrary file upload and execution
Description: Cisco Prime Infrastructure contains a vulnerability that could allow an unauthenticated, remote attacker to upload an arbitrary file, which would allow the attacker to execute code. The bug exists in the way PI incorrectly sets permissions for certain system directories.
Reference: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-pi-tftp
Snort SID: 40815

Title: Google PDFium information disclosure vulnerability
Description: Google PDFium’s JBIG2 library contains a bug that could lead to an information leak, which could be used as part of a larger exploit. PDFium is a PDF reader used in Google’s Chrome and Chromium web browser. An attacker can exploit this flaw by convincing the user to open a malicious PDF.
Reference: https://blog.talosintelligence.com/2018/10/google-pdfium-vuln.html
Snort SID: 47340, 47341

INTERESTING NEWS FROM AROUND THE SECURITY COMMUNITY

The security community continues to debate the validity of a story published by Bloomberg that states Chinese hackers may have installed tiny chips onto devices used in the U.S. that could be used to carry out cyber espionage. The companies named in the report, including Amazon and Apple, have so far denied that this happened.
https://motherboard.vice.com/en_us/article/qv9npv/bloomberg-china-supermicro-apple-hack

Many online services, such as Tinder and Pinterest, are still unsure how a recent data breach at Facebook may impact them.
https://www.cnn.com/2018/10/01/tech/facebook-hack-tinder-pinterest/index.html

That same Facebook hack could lead to the social media giant facing up to a $1.63 billion fine in the European Union under GDPR regulations.
https://techcrunch.com/2018/10/01/facebook-breach-europe/

Google released new regulations for extension developers, hoping to curtail the number of malicious apps that appear in the store for the Google Chrome web browser.
https://arstechnica.com/gadgets/2018/10/google-taking-new-steps-to-prevent-malicious-chrome-extensions/

The U.S. Department of Justice charged seven members of the Russian intelligence agency GRU for attempting to hack international doping agencies and a nuclear energy company.
https://www.cnbc.com/2018/10/04/doj-charges-7-russian-intelligence-operatives-with-hacking.html

Google plans to shut down its Google+ social media platform after it tried to cover up a data breach. The company chose to not disclose that thousands of users could have had their information stolen over the past three years, according to a report in the Wall Street Journal, which led it to shut down the site.
https://www.marketwatch.com/story/google-tried-to-cover-up-data-breach-now-will-shutter-its-little-used-social-network-2018-10-08

Credit reporting agency Experian’s website contained a flaw that exposed the credit freeze PINs of its users, which was patched in a matter of hours.
https://www.nerdwallet.com/blog/finance/security-flaw-at-experian-allows-easy-access-to-pin-to-unlock-credit-freeze/

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 October 4 - 11, 2018
COMPILED BY TALOS SECURITY INTELLIGENCE AND RESEARCH GROUP

SHA 256: 6487dc3c2be656d09d37175fcfeddd2dd38d9987a9347dc2915041469c973a44
MD5: b5c613d7919e121a43e92267e83cf9fe
VirusTotal: https://www.virustotal.com/#/file/6487dc3c2be656d09d37175fcfeddd2dd38d9987a9347dc2915041469c973a44/details
Typical Filename: primeupdater.exe
Claimed Product: FirebirdIS
Detection Name: PUA.Win.Adware.Techrelinst::Sality.tht.talos

SHA 256: 800c0d8e5a72d856398894329b6e3927b5b46bda9f8157d6e47c059cea3cb5b7
MD5: 68bdead645dc97e55597be4aa3664fa9
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: d8647dfb73ad636c7c1a743754b47ff1824c11cfef040104efabca92715ffcff
MD5: f174283dc138a4e412afbb3395d4288f
VirusTotal: https://www.virustotal.com/#/file/d8647dfb73ad636c7c1a743754b47ff1824c11cfef040104efabca92715ffcff/details
Typical Filename: maftask.zip
Claimed Product: N/A
Detection Name: OSX.D8647DFB73.agent.tht.Talos

SHA 256: c59ac374df03908a863bb5e2a8cfd911b788f9751b4d5d4d075f013b75195217
MD5: be4e947c89ee40058f37534c4a3d3f34
VirusTotal: https://www.virustotal.com/#/file/c59ac374df03908a863bb5e2a8cfd911b788f9751b4d5d4d075f013b75195217/details
Typical Filename: helperamc.zip
Claimed Product: Advanced Mac Cleaner
Detection Name: Auto.C59AC3.212256.in02

SHA 256: c3e530cc005583b47322b6649ddc0dab1b64bcf22b124a492606763c52fb048f
MD5: e2ea315d9a83e7577053f52c974f6a5a
VirusTotal: https://www.virustotal.com/#/file/c3e530cc005583b47322b6649ddc0dab1b64bcf22b124a492606763c52fb048f/details
Typical Filename: Tempmf582901854.exe
Claimed Product: N/A
Detection Name: W32.AgentWDCR:Gen.21gn.1201