BeyondTrust

Security in Context: The BeyondTrust Blog

Welcome to Security in Context

Bringing you news and commentary on solutions and strategies for protecting critical IT infrastructure in the context of your business.

Filter:

Network Security

12

Fuzzing for MS15-010

Posted February 17, 2015    BeyondTrust Research Team

Intro This past Patch Tuesday Microsoft released MS15-010: Vulnerabilities in Windows Kernel-Mode Driver Could Allow Remote Code Execution.  This patch addressed multiple privately reported vulnerabilities in win32k.sys and one publicly disclosed vulnerability in cng.sys. Win32k.sys Diff The first notable thing we noticed was that several handlers for TrueType instructions, @irtp_*, were touched.  While we did…

Tags:
, ,
patch-tuesday

February 2015 Patch Tuesday

Posted February 10, 2015    BeyondTrust Research Team

Microsoft patched a fairly hefty 58 CVEs across 9 bulletins this month, with Internet Explorer taking the lion’s share of those fixes. Among the offending flaws are remote code execution, security bypass, elevation of privilege, and information disclosure vulnerabilities. MS15-009 fixes 41 assorted flaws in Internet Explorer including remote code execution, ASLR bypass, privilege elevation…

Tags:
, ,
Anthem Breach

The Anthem Breach: What We Know Now

Posted February 5, 2015    Morey Haber

I learned about the breach directly from the CEO before all the hype and speculation hit. This is the level of caring and responsibility I personally expect as an Anthem customer. So now that the news is out there, let’s talk about the technical aspects of the breach.

Tags:
, , ,
Lightbulb

Advanced Threat Analytics Reveals Hidden Risks: Introducing BeyondInsight Clarity

Posted February 3, 2015    Chris Burd

BeyondInsight Clarity, now shipping standard with BeyondInsight v5.4, enables our customers to detect critical IT security threats previously lost amidst volumes of data, while identifying specific users, accounts and assets exhibiting patterns of risky activity.

Tags:
, , , , , , , , ,
ghost

GHOST Vulnerability…Scary Indeed

Posted January 28, 2015    BeyondTrust Research Team

A vulnerability discovered by Qualys security researchers has surfaced within the GNU C Library that affects virtually all Linux operating systems. The vulnerability lies within the various gethostbyname*() functions and, as such, has been dubbed “GHOST.” GHOST is particularly nasty considering remote, arbitrary code execution can be achieved. In an effort to avoid taxing DNS lookups, glibc developers introduced…

Tags:
,
flash-logo

Adobe Patches Zero-Day Flaw Being Exploited in the Wild

Posted January 22, 2015    BeyondTrust Research Team

Earlier this week, French malware researcher Kafeine reported on a new Adobe Flash zero-day vulnerability that was being exploited in the wild using the latest versions of the Angler Exploit Toolkit. “Any version of Internet Explorer or Firefox with any version of Windows will get owned if Flash up to 16.0.0.287 (included) is installed and enabled”…

Tags:
, , , , ,
Capture

MS15-002 Detection

Posted January 16, 2015    BeyondTrust Research Team

MS15-002 was one of the more interesting patches this month.  As such, we spent quite a bit of time on it.  But alas, it appears as though a pretty thorough analysis has already been posted at WooYun (http://drops.wooyun.org/papers/4621) which mostly aligns with our analysis of the issue. We believe this issue to be difficult to exploit…

Tags:
patch-tuesday

January 2015 Patch Tuesday

Posted January 14, 2015    BeyondTrust Research Team

Starting off the new year, Microsoft directs its focus more toward user rights and access. For the majority of bulletins, an attacker would need some form of authentication prior to elevating their privileges. Aside from these, the most notable vulnerability lies within an old friend named Telnet, which even the newer versions of windows are…

Tags:
,
gwindows_logo

Git’s Case-Insensitive Discrepancies: Exploiting GitHub For Windows And Microsoft Visual Studio (still affected)

Posted December 23, 2014    BeyondTrust Research Team

A vulnerability within Git has been recently announced concerning the case-insensitive nature of the Windows file system. This vulnerability is unique in that fact that an attacker does have the ability to execute arbitrary code, however conventional exploitation methods, such as memory corruption, is not required. This article explores two ways to execute arbitrary, attacker…

Tags:
, , , ,
dave-shackleford-headshot

Looking back on information security in 2014

Posted December 16, 2014    Dave Shackleford

Dave Shackleford is a SANS Instructor and founder of Voodoo Security. Join Dave for a closer look at the year in security, and learn what you can do to prepare for 2015, with this upcoming webinar. 2014 has been one heck of an insane year for information security professionals. To start with, we’ve been forced…

Tags:
, ,