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@RISK Newsletter for June 23, 2016 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. 16, Num. 25

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 2016-06-14 - 2016-06-21


TOP VULNERABILITY THIS WEEK: Adobe Releases Flash Player Security Bulletin For Zero-Day Flaw Under Active Exploitation and 35 Other Vulnerabilities


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

Title: Adobe Releases Flash Player Security Bulletin For Zero-Day Flaw Under Active Exploitation and 35 Other Vulnerabilities
Description: Adobe has released their monthly Flash Player security bulletin to address 36 vulnerabilities within the browser plugin. This release addresses the vulnerability under active exploitation as detailed by APSA16-03 along with 35 other vulnerabilities. Users and administrators are advised to update their Flash Player installations as soon as possible. Organizations may also want to consider deploying one of the mitigation workarounds Microsoft has details in MS16-083.
Reference: https://helpx.adobe.com/content/help/en/security/products/flash-player/apsb16-18.html
Snort SID: 39262-39265, 39269-39319

Title: Apple Releases Security Update for AirPort Base Station Firmware
Description: Apple has released a security update for AirPort Base Stations to address CVE-2015-7029, an arbitrary code execution flaw in the firmware. Per the bulletin on Apple’s website, this vulnerability manifests due to a flaw in how DNS data parsing was performed. This update corrects this flaw “through improved bounds checking.” No other details have been made available.
Reference: https://support.apple.com/en-us/HT206849
Snort SID: Detection pending release of vulnerability information

Title: Citrix Forces all GoToMyPC Customers to Reset Passwords
Description: Citrix has issued a notice that over the weekend, it suffered a large scale attack involving password reuse on customer accounts. So far, Citrix has determined that the attacks stem from “usernames and passwords leaked from other websites.” In response, Citrix is requiring that all users reset their passwords to prevent abuse. Users are encouraged to also enroll in 2-factor authentication when resetting their passwords.
Reference: http://status.gotomypc.com/incidents/s2k8h1xhzn4k


INTERESTING NEWS FROM AROUND THE SECURITY COMMUNITY

Where’s the Macro? Malware authors are now using OLE embedding to deliver malicious files
https://blogs.technet.microsoft.com/mmpc/2016/06/14/wheres-the-macro-malware-author-are-now-using-ole-embedding-to-deliver-malicious-files/

Anti-Surveillance Measure Quashed: Orlando Massacre Cited as Reason
https://threatpost.com/anti-surveillance-measure-quashed-orlando-massacre-cited-as-reason/118730/

Introduction to GPU Password Cracking: Owning the LinkedIn Password Dump
https://www.trustedsec.com/june-2016/introduction-gpu-password-cracking-owning-linkedin-password-dump/

Exploiting Recursion in the Linux Kernel
https://googleprojectzero.blogspot.com/2016/06/exploiting-recursion-in-linux-kernel_20.html

Cyber researchers confirm Russian government hack of Democratic National Committee
https://www.washingtonpost.com/world/national-security/cyber-researchers-confirm-russian-government-hack-of-democratic-national-committee/2016/06/20/e7375bc0-3719-11e6-9ccd-d6005beac8b3_story.html?


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-2016-4171
Title: Adobe Flash Code Execution Vulnerability (APSA16-03)
Vendor: Adobe
Description: Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier allows remote attackers to execute arbitrary code via unknown vectors, as exploited in the wild in June 2016.
CVSS v2 Base Score: 10.0 (AV:N/AC:L/Au:N/C:C/I:C/A:C)

ID: CVE-2016-0185
Title: Microsoft Windows Media Center Input Validation Remote Code
Execution Vulneraiblity (MS16-059)
Vendor: Microsoft
Description: Media Center in Microsoft Windows Vista SP2, Windows 7 SP1, and Windows 8.1 allows remote attackers to execute arbitrary code via a crafted Media Center link (aka .mcl) file, aka “Windows Media Center Remote Code Execution Vulnerability.”
CVSS v2 Base Score: 9.3 (AV:N/AC:M/Au:N/C:C/I:C/A:C)

ID: CVE-2016-4117
Title: Adobe Flash Player Integer Overflow Code Execution Vulnerability (APSA16-02)
Vendor: Adobe
Description: Adobe Flash Player 21.0.0.226 and earlier allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in May 2016.
CVSS v2 Base Score: 10.0 (AV:N/AC:L/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)

ID: CVE-2016-1287
Title: Cisco ASA Software IKEv1 and IKEv2 Buffer Overflow Vulnerability
Vendor: Cisco
Description: Buffer overflow in the IKEv1 and IKEv2 implementations in Cisco ASA Software before 8.4(7.30), 8.7 before 8.7(1.18), 9.0 before 9.0(4.38), 9.1 before 9.1(7), 9.2 before 9.2(4.5), 9.3 before 9.3(3.7), 9.4 before 9.4(2.4), and 9.5 before 9.5(2.2) on ASA 5500 devices, ASA 5500-X devices, ASA Services Module for Cisco Catalyst 6500 and Cisco 7600 devices, ASA 1000V devices, Adaptive Security Virtual Appliance (aka ASAv), Firepower 9300 ASA Security Module, and ISA 3000 devices allows remote attackers to execute arbitrary code or cause a denial of service (device reload) via crafted UDP packets, aka Bug IDs CSCux29978 and CSCux42019.
CVSS v2 Base Score: 10.0 (AV:N/AC:L/Au:N/C:C/I:C/A:C)

ID: CVE-2016-3081
Title: Apache Struts Input Validation Remote Code Execution Vulnerability
Vendor: Apache Structs
Description: Apache Struts 2.x before 2.3.20.2, 2.3.24.x before 2.3.24.2, and 2.3.28.x before 2.3.28.1, when Dynamic Method Invocation is enabled, allow remote attackers to execute arbitrary code via method: prefix, related to chained expressions.
CVSS v2 Base Score: 9.3 (AV:N/AC:M/Au:N/C:C/I:C/A:C)

ID: CVE-2016-1019
Title: Adobe Flash Player Code Execution Vulnerability
Vendor: Adobe
Description: Adobe Flash Player 21.0.0.197 and earlier allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via unspecified vectors, as exploited in the wild in April 2016.
CVSS v2 Base Score: 10.0 (AV:N/AC:L/Au:N/C:C/I:C/A:C)


MOST PREVALENT MALWARE FILES 2016-06-14 - 2016-06-21 COMPILED BY TALOS SECURITY INTELLIGENCE AND RESEARCH GROUP

SHA 256: 4205D56A46820C3C340854CE67A31F32EED8D6A7BBDD2C134BE4DA2BB6A77F76
MD5: 781a020ee3641da19fe4eba0fbab1444
VirusTotal: https://www.virustotal.com/file/4205D56A46820C3C340854CE67A31F32EED8D6A7BBDD2C134BE4DA2BB6A77F76/analysis/#additional-info
Typical Filename: 4205d56a46820c3c_psgv.exe
Claimed Product: (none)
Detection Name: Trojan:Sality-tpd

SHA 256: F9B8F7F285F811EE720CCE7BCCD98A421A26FB90DD7B022118D4B4E1F340036B
MD5: 0612402ad98c8c31cd6f2b914a419039
VirusTotal: https://www.virustotal.com/file/F9B8F7F285F811EE720CCE7BCCD98A421A26FB90DD7B022118D4B4E1F340036B/analysis/#additional-info
Typical Filename: winnfba.exe
Claimed Product: (none)
Detection Name: W32.Malware:Pramro.19di.1201

SHA 256: 4288ACC69FA2078C102116C27B59AFB1B5AE1A06E76075BA40F661F938504321
MD5: c5ccfbcc496a432acfaef6ba5119e726
VirusTotal: https://www.virustotal.com/file/4288ACC69FA2078C102116C27B59AFB1B5AE1A06E76075BA40F661F938504321/analysis/#additional-info
Typical Filename: txstl.com_screenshot.doc
Claimed Product: N/A
Detection Name: W32.4288ACC69F-99.SBX.VIOC

SHA 256: 8897F94710F3CA65AF0E52F6E2B76E6319DD5FB0DD6AD0968F8ACC0D25EE783A
MD5: cc9e1075db0645f1032f8c4b4412deba
VirusTotal: https://www.virustotal.com/file/8897F94710F3CA65AF0E52F6E2B76E6319DD5FB0DD6AD0968F8ACC0D25EE783A/analysis/#additional-info
Typical Filename: roys.exe
Claimed Product: (none)
Detection Name: W32.Crypt:Rootkitgen.19hf.1201

SHA 256: F4AE1A3D610A57547F014215A5D7AAED8572CD36AA77A9567C183F11430A6B55
MD5: 51e63633487f9180ec8031980684bf86
VirusTotal: https://www.virustotal.com/file/F4AE1A3D610A57547F014215A5D7AAED8572CD36AA77A9567C183F11430A6B55/analysis/#additional-info
Typical Filename: fodv.exe
Claimed Product: (none)
Detection Name: W32.Malware:Pramro.19fy.1201


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