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Author

 David Maynor

Profile of David Maynor

News & Commentary Posts: 8
Articles by David Maynor

Zero-Day Pen Testing Under Fire

10/13/2010
A blog post I wrote recently about using zero-day exploits for testing seems to have ruffled some feathers: I got a flood of email about why the concept is immoral, tests like that are not valid, and a host of other problems. Rather than responding to emails individually, this post answers a few common grievances with my testing methodology.

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The Case For Zero-Day Penetration Testing

8/26/2010
Penetration testing is a tightrope act where you balance existing knowledge with a mixture of freshly released- and zero-day knowledge. As a penetration tester, I often hear the argument that zero-day attacks do not belong in a test, that there is no time to prepare for them, so of course the target will be compromised. But I have the exact opposite philosophy: zero-day testing should occur to gauge an organization's response to such an attack. If mitigating controls are in place, an unknown att

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New iPhone SMS Threat No Reason To Panic

7/31/2009
You may have heard that researcher Charlie Miller has released details about a vulnerability that allows an attacker to take over an iPhone remotely with a SMS message. Now everyone is rushing to offer homegrown advice on how to fix the problem. But I'm going to offer a different point of view.

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'Net Parrot Effect

6/30/2009
Iran. You remember the place? Before several celebrities died in the past week, Iran's election aftermath gripped national attention. The more I found out about the election situation, the demonstrations, and the crackdown, the more I felt as if I were reading a political thriller. That's when the ugly side of our hyper-connected society reared its ugly head.

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Java Trouble Brewing For Apple

6/2/2009
Like most computer geeks with the latest toys, I can always find a way to play rather than work. My procrastination tendencies can sometimes lead to troubling results (just ask my girlfriend), so I often give vendors some leeway when it comes to patching vulnerabilities. But some vendors just don't get it.

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ID Theft and Police Scanners

12/30/2008
When asked why he robbed banks, the flamboyant criminal Willie Sutton answered, "Because that's where the money is." That's the perfect example of how the principle of Occam's razor applies to crime: the simplest solution to a problem is often the best one. With the economic downturn, high unemployment rates, and the booming business of identity fraud, would-be criminals are on the lookout for easy methods to get access to personal information. And we stumbled across one such way during a rece

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Hiding In Plain Sight Doesn't Work

12/2/2008
I do a lot of penetration tests and vulnerability assessments for an assortment of business of all sizes. While doing these types of tests, I run into a lot of goofy configurations, strange setups, and wacky ideas that are an attempt by the client to improve security. The most head-scratching setup I constantly run into involves SSH on a port other than the one it is assigned, Port 22.

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Mobile Banking Malware Up 50% in First Half of 2019
Kelly Sheridan, Staff Editor, Dark Reading,  1/17/2020
7 Tips for Infosec Pros Considering A Lateral Career Move
Kelly Sheridan, Staff Editor, Dark Reading,  1/21/2020
For Mismanaged SOCs, The Price Is Not Right
Kelly Sheridan, Staff Editor, Dark Reading,  1/22/2020
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CVE-2019-3697
PUBLISHED: 2020-01-24
UNIX Symbolic Link (Symlink) Following vulnerability in the packaging of gnump3d in openSUSE Leap 15.1 allows local attackers to escalate from user gnump3d to root. This issue affects: openSUSE Leap 15.1 gnump3d version 3.0-lp151.2.1 and prior versions.
CVE-2019-3694
PUBLISHED: 2020-01-24
A Symbolic Link (Symlink) Following vulnerability in the packaging of munin in openSUSE Factory, Leap 15.1 allows local attackers to escalate from user munin to root. This issue affects: openSUSE Factory munin version 2.0.49-4.2 and prior versions. openSUSE Leap 15.1 munin version 2.0.40-lp151.1.1 a...
CVE-2019-3693
PUBLISHED: 2020-01-24
A symlink following vulnerability in the packaging of mailman in SUSE SUSE Linux Enterprise Server 11, SUSE Linux Enterprise Server 12; openSUSE Leap 15.1 allowed local attackers to escalate their privileges from user wwwrun to root. Additionally arbitrary files could be changed to group mailman. Th...
CVE-2019-3687
PUBLISHED: 2020-01-24
The permission package in SUSE SUSE Linux Enterprise Server allowed all local users to run dumpcap in the "easy" permission profile and sniff network traffic. This issue affects: SUSE SUSE Linux Enterprise Server permissions versions starting from 85c83fef7e017f8ab7f8602d3163786d57344439 t...
CVE-2019-3692
PUBLISHED: 2020-01-24
The packaging of inn on SUSE SUSE Linux Enterprise Server 11; openSUSE Factory, Leap 15.1 allows local attackers to escalate from user inn to root via symlink attacks. This issue affects: SUSE SUSE Linux Enterprise Server 11 inn version 2.4.2-170.21.3.1 and prior versions. openSUSE Factory inn versi...