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@RISK Newsletter for October 09, 2014 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. 14, Num. 40

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 2014-09-29 - 2014-10-07


TOP VULNERABILITY THIS WEEK: Xen Hypervisor Denial of

Service/Information Disclosure Vulnerability


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

Title: Xen Hypervisor Denial of Service/Information Disclosure Vulnerability
Description: A buggy or malicious HVM guest can crash the host or read data
relating to other guests or the hypervisor itself.
Reference: http://xenbits.xen.org/xsa/advisory-108.html

Title: Cuckoo Sandbox Remote Command/Remote Code Execution Vulnerability
Description: Cuckoo Sandbox contains a vulnerability where an arbitrary
file upload from the guest virtual machines to the host system could
potentially translate in command or code execution.
Reference: http://cuckoosandbox.org/2014-10-07-cuckoo-sandbox-111.html

Title: Bugzilla Information Disclosure Vulnerability
Description: An attacker creating a new Bugzilla account can override
certain parameters when finalizing the account creation that can lead
to the user being created with a different email address than originally
requested. The overridden login name could be automatically added to
groups based on the group’s regular expression setting.
Reference: http://www.bugzilla.org/security/4.0.14/


INTERESTING NEWS FROM AROUND THE SECURITY COMMUNITY

The Unpatchable Malware That Infects USBs Is Now on the Loose
http://www.wired.com/2014/10/code-published-for-unfixable-usb-attack/

Apple Addresses Worm Utilizing Reddit
http://www.infosecurity-magazine.com/news/apple-addresses-redditloving-iworm/

Firewall Evasion with UDP (PingTunnel)
http://stephenperciballi.blogspot.com/2014/10/firewall-evasion-with-udp-pingtunnel.html

Revisiting Android Disk Encryption
http://nelenkov.blogspot.com/2014/10/revisiting-android-disk-encryption.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-2014-7169
Title: Multiple Vendor Bash Remote Code Execution Vulnerability
Vendor: Multiple Vendors
Description: GNU Bash through 4.3 bash43-025 processes trailing strings
after certain malformed function definitions in the values of
environment variables, which allows remote attackers to write to files
or possibly have unknown other impact via a crafted environment, as
demonstrated by vectors involving the ForceCommand feature in OpenSSH
sshd, the mod_cgi and mod_cgid modules in the Apache HTTP Server,
scripts executed by unspecified DHCP clients, and other situations in
which setting the environment occurs across a privilege boundary from
Bash execution. NOTE: this vulnerability exists because of an incomplete
fix for CVE-2014-6271.
CVSS v2 Base Score: 10.0 (AV:N/AC:L/Au:N/C:C/I:C/A:C)

ID: CVE-2014-6271
Title: Multiple Vendor Bash Remote Code Execution Vulnerability
Vendor: Multiple Vendors
Description: GNU Bash through 4.3 processes trailing strings after
function definitions in the values of environment variables, which
allows remote attackers to execute arbitrary code via a crafted
environment, as demonstrated by vectors involving the ForceCommand
feature in OpenSSH sshd, the mod_cgi and mod_cgid modules in the Apache
HTTP Server, scripts executed by unspecified DHCP clients, and other
situations in which setting the environment occurs across a privilege
boundary from Bash execution, aka “ShellShock.” NOTE: the original fix
for this issue was incorrect; CVE-2014-7169 has been assigned to cover
the vulnerability that is still present after the incorrect fix.
CVSS v2 Base Score: 10.0 (AV:N/AC:L/Au:N/C:C/I:C/A:C)

ID: CVE-2012-1876
Title: Microsoft Internet Explorer Col Element Memory Corruption Vulnerability
Vendor: Microsoft
Description: Microsoft Internet Explorer 6 through 9, and 10 Consumer
Preview, does not properly handle objects in memory, which allows remote
attackers to execute arbitrary code by attempting to access a
nonexistent object, leading to a heap-based buffer overflow, aka “Col
Element Remote Code Execution Vulnerability,” as demonstrated by VUPEN
during a Pwn2Own competition at CanSecWest 2012.
CVSS v2 Base Score: 9.3 (AV:N/AC:M/Au:N/C:C/I:C/A:C)

ID: CVE-2013-7331
Title: Microsoft XMLDOM ActiveX Control Multiple Information Disclosure
Vulnerabilities
Vendor: Microsoft
Description: The Microsoft.XMLDOM ActiveX control in Microsoft Windows
8.1 and earlier allows remote attackers to determine the existence of
local pathnames, UNC share pathnames, intranet hostnames, and intranet
IP addresses by examining error codes, as demonstrated by a res:// URL,
and exploited in the wild in February 2014.
CVSS v2 Base Score: 5.8 (AV:N/AC:M/Au:N/C:P/I:N/A:P)

ID: CVE-2014-3120
Title: ElasticSearch Dynamic Script Arbitrary Code Execution Vulnerability
Vendor: Elasticsearch
Description: The default configuration in Elasticsearch before 1.2
enables dynamic scripting, which allows remote attackers to execute
arbitrary MVEL expressions and Java code via the source parameter to
_search.
CVSS v2 Base Score: 6.8 (AV:N/AC:M/Au:N/C:P/I:P/A:P)

ID: CVE-2014-0160
Title: OpenSSL TLS Heartbeat Extension Buffer Oveflow Information
Disclosure Vulnerability (Heartbleed)
Vendor: OpenSSL Project
Description: The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1
before 1.0.1g do not properly handle Heartbeart Extension packets, which
allows remote attackers to obtain sensitive information from process
memory via crafted packets that trigger a buffer over-read, as
demonstrated by reading private keys, related to d1_both.c and t1_lib.c.
CVSS v2 Base Score: 5.0 (AV:N/AC:L/Au:N/C:P/I:N/A:N)


MOST PREVALENT MALWARE FILES 2014-09-29 - 2014-10-07 COMPILED BY TALOS SECURITY INTELLIGENCE AND RESEARCH GROUP

SHA 256: C8E77E0EEEB21DB916E96A328A0805CF69AC16D17F44A83BE020B2A07451A5DC
MD5: c0aa404de9aa66796c6a94d25465fc7d
VirusTotal:
https://www.virustotal.com/file/C8E77E0EEEB21DB916E96A328A0805CF69AC16D17F44A83BE020B2A07451A5DC/analysis/#additional-info
Typical Filename: 26d969db11da8ab87ea08cd9b202e7c3_HypeNet.OfSvc.exe
Claimed Product: PayByAds ltd.
Detection Name: W32.Variant:Gen.17kq.dk

SHA 256: 36D5648A8B29C789F9065D4363E5ACD8A7C55A665900BB2CE469F4FC452984A3
MD5: 98c251c9bcfc40f2901da987aa223e19
VirusTotal:
https://www.virustotal.com/file/36D5648A8B29C789F9065D4363E5ACD8A7C55A665900BB2CE469F4FC452984A3/analysis/#additional-info
Typical Filename: update.exe
Claimed Product: Search Results
Detection Name: W32.Trojan.17hb.dk

SHA 256: 0B72985E7FD1990E804BC4A395692BA2B653B9925A4A2BD8157760819402037F
MD5: ae9dc93c1788422a2affa1f804f498a6
VirusTotal:
https://www.virustotal.com/file/0B72985E7FD1990E804BC4A395692BA2B653B9925A4A2BD8157760819402037F/analysis/#additional-info
Typical Filename: spstub.exe
Claimed Product: ClientConnect LTD
Detection Name: W32.0B72985E7F-71.SBX.VIOC

SHA 256: 82A894F0DD94025C95EA1FBAC965F8E3D74A3B346EAF2D9CB15A554840C6EAB6
MD5: c953b7e0a87908a9fbb5bcb068045249
VirusTotal:
https://www.virustotal.com/file/82A894F0DD94025C95EA1FBAC965F8E3D74A3B346EAF2D9CB15A554840C6EAB6/analysis/#additional-info
Typical Filename: nsvmd.dll
Detection Name: W32.82A894F0DD-100.SBX.VIOC

SHA 256: E843EE8B91CE50E28CD8B8367D294AAB6F8CCA37706DC84553466637E2C10CE5
MD5: 1591520248070581a5b35244019aa7e3
VirusTotal:
https://www.virustotal.com/file/E843EE8B91CE50E28CD8B8367D294AAB6F8CCA37706DC84553466637E2C10CE5/ analysis/#additional-info
Typical Filename: wajam_update_v2.exe
Claimed Product: FastAppInstall.com
Detection Name: W32.E843EE8B91-100.SBX.VIOC


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