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@RISK Newsletter for June 15, 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. 24

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 2017-06-06 - 2017-06-13


TOP VULNERABILITY THIS WEEK: Microsoft Releases Monthly Security Updates for June 2017


NOTABLE RECENT SECURITY ISSUES

SELECTED BY THE TALOS SECURITY INTELLIGENCE AND RESEARCH GROUP

Title: Microsoft Releases Monthly Security Updates for June 2017
Description: Microsoft has released its monthly set of security updates designed to address vulnerabilities that have been identified in various products. This month’s release resolves 92 vulnerabilities with 17 of them rated critical and 75 rated important. Impacted products include Edge, Internet Explorer, Office, Sharepoint, Skype for Business, Lync, and Windows.
Reference: https://portal.msrc.microsoft.com/en-us/security-guidance/summary
Snort SID: 17042, 24500, 43155-43166, 43169-43176

Title: Adobe Releases Security Updates for Flash Player, Shockwave Player, Captivate, and Digital Editions
Description: Adobe has released a security updates for Flash Player, Shockwave Player, Captivate, and Digital Editions. The security updates for Flash Player and Shockwave Player collectively address 10 vulnerabilities with four of them being use-after-free vulnerabilities and six being memory corruption vulnerabilities. All 10 vulnerabilities, if exploited, could lead to remote code execution.
Reference:

Snort SID: Detection pending release of vulnerability information

Title: Cisco Releases Security Advisory for Code Execution Flaw in Prime Data Center
Network Manager
Description: Cisco has released a security advisory for CVE-2017-6639, an arbitrary code execution vulnerability in Prime Data Center Network Manager. CVE-2017-6639 manifests in the role-based access control functionality of Cisco Prime Data Center Network Manager and “is due to the lack of authentication and authorization mechanisms for a debugging tool” inadvertently enabled. Cisco has released a software update addressing this vulnerability.
Reference: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170607-dcnm1 Snort SID: 31302


INTERESTING NEWS FROM AROUND THE SECURITY COMMUNITY

PLATINUM continues to evolve, find ways to maintain invisibility
https://blogs.technet.microsoft.com/mmpc/2017/06/07/platinum-continues-to-evolve-find-ways-to-maintain-invisibility/

Following the Money Hobbled vDOS Attack-for-Hire Service
https://krebsonsecurity.com/2017/06/following-the-money-hobbled-vdos-attack-for-hire-service/

Making the Internet safer and faster: Introducing reCAPTCHA Android API
https://security.googleblog.com/2017/06/making-internet-safer-and-faster.html

MacSpy: OS X RAT as a Service
https://www.alienvault.com/blogs/labs-research/macspy-os-x-rat-as-a-service

Pwn2Own: Safari sandbox part 1 - Mount yourself a root shell
https://phoenhex.re/2017-06-09/pwn2own-diskarbitrationd-privesc


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-2017-0145
Title: Microsoft Windows SMB Remote Code Execution Vulnerability
Vendor: Microsoft
Description: The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows remote attackers to execute arbitrary code via crafted packets, aka “Windows SMB Remote Code Execution Vulnerability.” This vulnerability is different from those described in CVE-2017-0143, CVE-2017-0144, CVE-2017-0146, and CVE-2017-0148.
CVSS v2 Base Score: 10.0 (AV:N/AC:L/Au:N/C:C/I:C/A:C)

ID: CVE-2017-0290
Title: Microsoft Malware Protection Engine Remote Code Execution Vulnerability
Vendor: Microsoft
Description: NScript in mpengine in Microsoft Malware Protection Engine with Engine Version before 1.1.13704.0, as used in Windows Defender and other products, allows remote attackers to execute arbitrary code or cause a denial of service (type confusion and application crash) via crafted JavaScript code within any file scanned by this engine.
CVSS v2 Base Score: 10.0 (AV:N/AC:L/Au:N/C:C/I:C/A:C)

ID: CVE-2017-3881
Title: Cisco IOS and IOS XE Software Cluster Management Protocol Remote Code Execution
Vulnerability
Vendor: Cisco
Description: A vulnerability in the Cisco Cluster Management Protocol (CMP) processing code in Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a reload of an affected device or remotely execute code with elevated privileges. The Cluster Management Protocol utilizes Telnet internally as a signaling and command protocol between cluster members. The vulnerability is due to the combination of two factors: (1) the failure to restrict the use of CMP-specific Telnet options only to internal, local communications between cluster members and instead accept and process such options over any Telnet connection to an affected device; and (2) the incorrect processing of malformed CMP-specific Telnet options. An attacker could exploit this vulnerability by sending malformed CMP-specific Telnet options while establishing a Telnet session with an affected Cisco device configured to accept Telnet connections. An exploit could allow an attacker to execute arbitrary code and obtain full control of the device or cause a reload of the affected device. This affects Catalyst switches, Embedded Service 2020 switches, Enhanced Layer 2 EtherSwitch Service Module, Enhanced Layer 2/3 EtherSwitch Service Module, Gigabit Ethernet Switch Module (CGESM) for HP, IE Industrial Ethernet switches, ME 4924-10GE switch, RF Gateway 10, and SM-X Layer 2/3 EtherSwitch Service Module. Cisco Bug IDs: CSCvd48893.
CVSS v2 Base Score: 10.0 (AV:N/AC:L/Au:N/C:C/I:C/A:C)

ID: CVE-2017-7269
Title: Microsoft IIS 6.0 ScStoragePathFromUrl Buffer Overflow Vulnerability
Vendor: Microsoft
Description: Buffer overflow in the ScStoragePathFromUrl function in the WebDAV service in Internet Information Services (IIS) 6.0 in Microsoft Windows Server 2003 R2 allows remote attackers to execute arbitrary code via a long header beginning with “If:
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)

ID: CVE-2017-3823
Title: Cisco WebEx Google Chrome Extension Remote Code Execution Vulnerability
Vendor: Cisco
Description: An issue was discovered in the Cisco WebEx Extension before 1.0.7 on Google Chrome, the ActiveTouch General Plugin Container before 106 on Mozilla Firefox, the GpcContainer Class ActiveX control plugin before 10031.6.2017.0126 on Internet Explorer, and the Download Manager ActiveX control plugin before 2.1.0.10 on Internet Explorer. A vulnerability in these Cisco WebEx browser extensions could allow an unauthenticated, remote attacker to execute arbitrary code with the privileges of the affected browser on an affected system. This vulnerability affects the browser extensions for Cisco WebEx Meetings Server and Cisco WebEx Centers (Meeting Center, Event Center, Training Center, and Support Center) when they are running on Microsoft Windows. The vulnerability is a design defect in an application programing interface (API) response parser within the extension. An attacker that can convince an affected user to visit an attacker-controlled web page or follow an attacker-supplied link with an affected browser could exploit the vulnerability. If successful, the attacker could execute arbitrary code with the privileges of the affected browser.
CVSS v2 Base Score: 9.3 (AV:N/AC:M/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-2016-6366
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)


MOST PREVALENT MALWARE FILES 2017-06-06 - 2017-06-13:

COMPILED BY TALOS SECURITY INTELLIGENCE AND RESEARCH GROUP

SHA 256: a82024fbe5d6be2049d9d36c050202cac59078808f531d161419fee46cdab017
MD5: 72ccb030291a59611ee9f85cfa258e9a
VirusTotal: Additional information from antivirus scan analysis
Typical Filename: ????2.xls
Claimed Product: N/A
Detection Name: W32.A82024FBE5-100.SBX.TG

SHA 256: cbe2f8e05a4f40c3c342bcad76d05b4a0c856a804d9da0cd3ca6a473bf390ecf
MD5: d345fee1e394eaa36a71fab784ec6373
VirusTotal: Additional information from antivirus scan analysis
Typical Filename: SKMBT_C284e17012315230.pdf
Claimed Product: N/A
Detection Name: PDF.CBE2F8E05A.Phishing.EE.e01.Talos

SHA 256: 2e8ac22c28f828ce98b21427d06795c4ed73ba25b21224384431acba5367920d
MD5: 2c59311169af5854f1c1ecfccb11e493
VirusTotal: Additional information from antivirus scan analysis
Typical Filename: 6TPLDGWV5S.doc
Claimed Product: N/A
Detection Name: W32.2E8AC22C28-95.SBX.TG

SHA 256: 8897f94710f3ca65af0e52f6e2b76e6319dd5fb0dd6ad0968f8acc0d25ee783a
MD5: cc9e1075db0645f1032f8c4b4412deba
VirusTotal: Additional information from antivirus scan analysis
Typical Filename: winlxoy.exe
Claimed Product: (unknown)
Detection Name: W32.Crypt:Rootkitgen.20gq.1201

SHA 256: f4ae1a3d610a57547f014215a5d7aaed8572cd36aa77a9567c183f11430a6b55
MD5: 51e63633487f9180ec8031980684bf86
VirusTotal: Additional information from antivirus scan analysis
Typical Filename: wineagvw.exe
Claimed Product: (none)
Detection Name: W32.AgentWDCR:Malwaregen.20gd.1201


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