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@RISK Newsletter for January 12, 2017 The Consensus Security Vulnerability Alert

This is a weekly newsletter that provides in-depth analysis of the latest vulnerabilities with straightforward remediation advice. Qualys supplies a large part of the newly-discovered vulnerability content used in this newsletter.


@RISK: The Consensus Security Vulnerability Alert
Vol. 17, Num. 02

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 https://www.qualys.com/research/sans-at-risk/


CONTENTS:

NOTABLE RECENT SECURITY ISSUES
INTERESTING NEWS FROM AROUND THE SECURITY COMMUNITY
VULNERABILITIES FOR WHICH EXPLOITS ARE AVAILABLE
MOST PREVALENT MALWARE FILES 2017-01-03 - 2017-01-10


TOP VULNERABILITY THIS WEEK: Google Releases Monthly Security Bulletin for Android, Nexus, and Pixel Devices


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

Title: Google Releases Monthly Security Bulletin for Android, Nexus, and Pixel Devices
Description: Google has released its monthly security bulletin for Android, Nexus, and Pixel devices. This month’s release fixes 90 vulnerabilities with 29 of them being rated critical, 41 rated high, and 20 related moderate. The vulnerabilities rated critical affect Mediaserver, the kernel memory subsystem, the Qualcomm bootloader, the kernel file system, the NVIDIA GPU driver, the MediaTek driver, the Qualcomm GPU driver, and other Qualcomm components. Google has release two patch levels “to provide Android partners with the flexibility to more quickly fix a subset of vulnerabilities among Android devices.” Updates for these vulnerabilities should be forthcoming for Android device owners in the near future with Nexus and Pixel device owners able to update now.
Reference: https://source.android.com/security/bulletin/2017-01-01.html
Snort SID: Detection pending release of vulnerability information

Title: Adobe Releases Security Bulletin for Flash Player
Description: Adobe has released a security bulletin for Flash Player addressing 13 vulnerabilities. As with previous Flash Player security bulletins, the overwhelming majority of the flaws fixed are ones that could result in remote code execution. Five of the thirteen vulnerabilities are memory corruption flaws, four are heap buffer overflow flaws, three are use-after-free flaws, and one is a security feature bypass. Users who require Flash Player should update their systems as soon as possible as well as set Flash Player to be “click-to-play”.
Reference: https://helpx.adobe.com/security/products/flash-player/apsb17-02.html
Snort SID: Detection pending

Title: Microsoft Releases Monthly Set of Security Bulletins for January 2017
Description: Microsoft has releases its monthly set of security bulletins for January 2017. This month’s release contains three bulletins addressing 3 vulnerabilities in Windows and Office. Another bulletin is the Adobe Flash Player update, fixing the embedded Flash Player in Internet Explorer and Edge.
Reference: https://technet.microsoft.com/library/security/ms17-jan
Snort SID: 40759, 41140-41141


INTERESTING NEWS FROM AROUND THE SECURITY COMMUNITY

Edge Vulnerabilities CVE-2016-7200 & CVE-2016-7201 Integrated into Sundown Exploit Kits
http://malware.dontneedcoffee.com/2017/01/CVE-2016-7200-7201.html

Lawmakers Reintroduce Popular Email Privacy Act
https://threatpost.com/lawmakers-reintroduce-popular-email-privacy-act/122981/

Cracking The 12+ Character Password Barrier, Literally
http://www.netmux.com/blog/cracking-12-character-above-passwords

Solving the SANS 2016 Holiday Hack Challenge
https://techanarchy.net/2017/01/solving-the-sans-2016-holiday-hack-challenge/


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-2016-7200
Title: Microsoft Edge Scripting Engine Memory Corruption Code Execution Vulnerability
Vendor: Microsoft
Description: The Chakra JavaScript scripting engine in Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka “Scripting Engine Memory Corruption Vulnerability,” a different vulnerability than CVE-2016-7201, CVE-2016-7202, CVE-2016-7203, CVE-2016-7208, CVE-2016-7240, CVE-2016-7242, and CVE-2016-7243.
CVSS v2 Base Score: 7.6 (AV:N/AC:H/Au:N/C:C/I:C/A:C)

ID: CVE-2016-7892
Title: Adobe Flash Player Use-After-Free Code Execution Vulnerability
Vendor: Adobe
Description: Remote exploitation of a use-after-free vulnerability in Adobe’s Flash Player could allow attackers to execute arbitrary code. Adobe is aware of a report that an exploit for CVE-2016-7892 exists in the wild, and is being used in limited targeted attacks.
CVSS v2 Base Score: 9.3 (AV:N/AC:M/Au:N/C:C/I:C/A:C)

ID: CVE-2016-5195
Title: Linux Kernel “MAP_PRIVATE COW” Privilege Escalation Vulnerability
Vendor: Kernel.Org
Description: A race condition vulnerability has been identified in the Linux Kernel. The Linux Kernel’s memory subsystem does not properly handle copy-on-write(COW) breakage of private read-only memory mappings. The vulnerability has been identified as “Dirty Cow.”
CVSS v2 Base Score: 6.6 (AV:L/AC:M/Au:S/C:C/I:C/A:C)

ID: CVE-2016-6366
Title: Cisco Adaptive Security Appliance SNMP Buffer Overflow Code Execution Vulnerability
Vendor: Cisco
Description: Buffer overflow in Cisco Adaptive Security Appliance (ASA) Software through 9.4.2.3 on ASA 5500, ASA 5500-X, ASA Services Module, ASA 1000V, ASAv, Firepower 9300 ASA Security Module, PIX, and FWSM devices allows remote authenticated users to execute arbitrary code via crafted IPv4 SNMP packets, aka Bug ID CSCva92151 or EXTRABACON.
CVSS v2 Base Score: 8.5 (AV:N/AC:M/Au:S/C:C/I:C/A:C)

ID: CVE-2016-1017
Title: Adobe Flash Player “AS2 LoadVars” Use-after-free Code Execution Vulnerability (APSA16-10) Vendor: Adobe
Description: Use-after-free vulnerability in the LoadVars.decode function in Adobe Flash Player before 18.0.0.343 and 19.x through 21.x before 21.0.0.213 on Windows and OS X and before 11.2.202.616 on Linux allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2016-1011, CVE-2016-1013, CVE-2016-1016, and CVE-2016-1031.
CVSS v2 Base Score: 9.3 (AV:N/AC:M/Au:N/C:C/I:C/A:C)

ID: CVE-2016-0189
Title: Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability
Vendor: Microsoft
Description: The Microsoft (1) JScript 5.8 and (2) VBScript 5.7 and 5.8 engines, as used in Internet Explorer 9 through 11 and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka “Scripting Engine Memory Corruption Vulnerability,” a different vulnerability than CVE-2016-0187.
CVSS v2 Base Score: 7.6 (AV:N/AC:H/Au:N/C:C/I:C/A:C)


MOST PREVALENT MALWARE FILES 2017-01-03 - 2017-01-10:

COMPILED BY TALOS SECURITY INTELLIGENCE AND RESEARCH GROUP

SHA 256: ae7327f36a659d01a85d4071a4570458ec03a05a6ce7d2f6d092fb46aff3e739
MD5: fa1f769475516b03881602d0824cae12
VirusTotal: Additional information from antivirus scan analysis
Typical Filename: printerinstallerclientupdater.exe
Claimed Product: Printer Client Updater Detection Name: W32.AE7327F36A-95.SBX.TG

SHA 256: 83cec41170390e5e6d49ed7bf4fa76ddfb581c9e39d9efe7ed9382957de152dd
MD5: c913d292a9a907799526695c9ad3bfac
VirusTotal: Additional information from antivirus scan analysis
Typical Filename: helperamc
Claimed Product: Advanced Mac Cleaner
Detection Name: OSX.83CEC41170.agent.tht.Talos

SHA 256: f9b8f7f285f811ee720cce7bccd98a421a26fb90dd7b022118d4b4e1f340036b
MD5: 0612402ad98c8c31cd6f2b914a419039
VirusTotal: Additional information from antivirus scan analysis
Typical Filename: icxy.exe
Claimed Product: (none)
Detection Name: W32.AgentWDCR:Malwaregen.20cd.1201

SHA 256: d3dbe14033ad25a5e4ffe1e2b559e53ee1d1799eb54eedbd7a689d6a88fd7137
MD5: f4be84934734b03d7f11e22b4de7fd0a
VirusTotal: Additional information from antivirus scan analysis
Typical Filename: Danielic
Claimed Product: (unknown)
Detection Name: OSX.MAC:Malwaregen.19hh.1201

SHA 256: 63ecfe3dd8bf5040b1a8bd034d5e4ec861ba8870e98c3aa3de2057d8d21ba440
MD5: df03ff7e68fc8054e3a80b5774643300
VirusTotal: Additional information from antivirus scan analysis
Typical Filename: CVS.zip
Claimed Product: N/A
Detection Name: W32.1033DE5532-100.SBX.VIOC


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