CONTENTS:

NOTABLE RECENT SECURITY ISSUES
INTERESTING NEWS FROM AROUND THE SECURITY COMMUNITY
VULNERABILITIES FOR WHICH EXPLOITS ARE AVAILABLE
MOST PREVALENT MALWARE FILES May 17-24
TOP VULNERABILITY THIS WEEK: New vulnerability found in chips by Microsoft, Google

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

Title: Meltdown, Spectre-like flaws found in chips
Description: Microsoft and Google have disclosed a new vulnerability, dubbed “Speculative Store Bypass Variant 4” that impacts Intel, AMD and ARM processors. If exploited, an attacker could potentially access information that was meant to be hidden. Speculative Store Bypass Variant 4 is similar to the Meltdown and Spectre vulnerabilities from earlier in the year, in that it is a new kind of attack on processors.
Reference: https://www.us-cert.gov/ncas/alerts/TA18-141A
Snort SID: Detection pending

Title: Cisco patches three critical vulns in DNA system
Description: Cisco has addressed three critical vulnerabilities in the Digital Network Architecture (DNA) Center. All three give attackers elevated privileges and could compromise the entire DNA Center.
Reference:

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180516-dna
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180516-dna2
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180516-dnac

Snort SID: 46738, 46740, 46741

Title: Dasan GPON routers open to attack by botnets
Description: Hundreds of thousands of Dasan Gigabit-capable Passive Optical Network (GPON) routers may be open to attack by botnets through two new vulnerabilities that were recently discovered. The flaws can be activated remotely, and could give an attacker complete control of the device.
Reference: https://www.securityweek.com/botnets-target-zero-days-gpon-routers
Snort SID: 46624 - 46627

INTERESTING NEWS FROM AROUND THE SECURITY COMMUNITY

As the European Union’s GDPR deadline looms, many small businesses are scrambling to meet the requirements, and many of them don’t even know where to start.
https://www.infosecurity-magazine.com/news/business-owners-unaware-of-looming/

A variant of the Mirai botnet malware has been utilizing three new exploits to try and attack internet-of-things devices.
https://www.infosecurity-magazine.com/news/new-mirai-variant-adds-three/

The Roaming Mantis malware has expanded to include new cryptocurrency mining abilities, and attack vectors on iOS devices.
https://securelist.com/roaming-mantis-dabbles-in-mining-and-phishing-multilingually/85607/

Mobile carriers may be selling real-time location data to third-party companies, which may be putting that data in unsafe places.
https://krebsonsecurity.com/2018/05/mobile-giants-please-dont-share-the-where/

A new malware family is stealing cache and key files from encrypted messaging app Telegram.
https://blog.talosintelligence.com/2018/05/telegrab.html

There’s a way SSH private keys on Windows 10 could be extracted from the ssh-agent.
https://blog.ropnop.com/extracting-ssh-private-keys-from-windows-10-ssh-agent/

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-2018-8174
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-2017-10271
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-2017-5638
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)

MOST PREVALENT MALWARE FILES May 17-24:
COMPILED BY TALOS SECURITY INTELLIGENCE AND RESEARCH GROUP

SHA 256: be904d34fdc803c60df5ddde64016e3ab1bd331d2875b863c6085acc24557394
MD5: 15a05c3741d7374cdf8a2dc20c58c3cf
VirusTotal: https://www.virustotal.com/#/file/be904d34fdc803c60df5ddde64016e3ab1bd331d2875b863c6085acc24557394/details
Typical Filename: ipts.exe
Claimed Product: Traffic Spirit
Detection Name: W32.Variant:Gen.21gr.1201

SHA 256: 15716598f456637a3be3d6c5ac91266142266a9910f6f3f85cfd193ec1d6ed8b
MD5: 799b30f47060ca05d80ece53866e01cc
VirusTotal: https://www.virustotal.com/#/file/15716598f456637a3be3d6c5ac91266142266a9910f6f3f85cfd193ec1d6ed8b/details
Typical Filename: mf2016341595.exe
Claimed Product: N/A
Detection Name: W32.Generic:Gen.21gl.1201

SHA 256: a84a97e3434ec5efcffe3fa230755a9cdf24583c237bee91191d2f97565040cb
MD5: 00a2ab0d05fd46053cde764acacc16d0
VirusTotal: https://www.virustotal.com/#/file/a84a97e3434ec5efcffe3fa230755a9cdf24583c237bee91191d2f97565040cb/details
Typical Filename: ojec.exe
Claimed Product: N/A
Detection Name: W32.Variant:Gen.21gk.1201

SHA 256: bb5ca947a9ed44d46e2845bdc3eac1bd368577aa40a8dcd1fae29b8da5b0253e
MD5: 9ff32613fc850c9937257665ec051e699ff
VirusTotal: https://www.virustotal.com/#/file/bb5ca947a9ed44d46e2845bdc3eac1bd368577aa40a8dcd1fae29b8da5b0253e/details
Typical Filename: helperamc.zip
Claimed Product: Advanced Mac Cleaner
Detection Name: PUA.Osx.Dropper.Gt32supportgeeks::in03.talos

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