Application Security This Week for March 29

Unusual challenges ahead.  Remember that with remote working, application security is on the front lines, and there are those out there that don't care about the pandemic crisis or dead people, they just want to steal stuff.

 

Extraordinary article about his exact topic from SANS.  I am not SANS biggest fan but this is very good work.

https://isc.sans.edu/diary/rss/25940

 

An error in a font (no I am not kidding) is causing problems.  Check your sites.

https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/adv200006

 

I have stepped away from appsec before in this newsletter, but this is a new bar.  This is a link to free codes for games on Steam to play while you are keeping away from your friends and neighbors.  Let's use the Internet to stay in touch, and KEEP IT RUNNING.  We are on the front lines.

https://docs.google.com/spreadsheets/d/1LoYfg6bI649dPQfevPNZzL2Xm9o4pOH0bUkIrIcWry4/edit#gid=1293924779

 

Please, please stay safe.

S

Application Security This Week for March 22

Quarantine edition.

 

Microsoft patches the newest SMB flaw.  Stop using SMB.

https://nakedsecurity.sophos.com/2020/03/16/microsoft-patches-wormable-windows-10-smbghost-flaw/

 

Microsoft bough npm.  This should be interesting.

https://www.windowscentral.com/microsofts-github-acquires-npm-help-javascript-developers

 

There are a ton of folks streaming and running virtual conferences right now. Watch them. I'm watching PancakesCon right now. Even if you are an introvert, it's good for your mental health.

https://tisiphone.net/2020/03/15/pancakescon-2020-quarantine-edition/

 

Keep safe, keep aware.  We are in condition orange. Distance yourself from poisonous people. (and I don't mean ill people)  Help out your neighbors if you can.

Application Security This Week for March 15

SMBv3 is borked.  Block port 445.

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200005

 

Sometimes I hate the human race.  Someone built a fake COVID-19 map and is using it to spread malware.

https://www.grahamcluley.com/coronavirus-map-used-to-spread-malware/

 

Not an appsec thing but NordVPN got popped - again.

https://www.theregister.co.uk/2020/03/06/nordvpn_no_auth_needed_view_user_payments/

 

Really need exploit on file upload in web applications that allows NTLMv2 hash theft.

http://www.mannulinux.org/2020/03/abusing-file-system-functions-in-web.html?m=1

 

Another neat finding from a bug bounty with CSRF in a JSON web service.

https://medium.com/@secureITmania/how-i-exploit-the-json-csrf-with-method-override-technique-71c0a9a7f3b0

 

Stay safe - and healthy - folks.

Application Security This Week for March 8

NordVPN has yet another interesting application security vulnerability.

https://www.theregister.co.uk/2020/03/06/nordvpn_no_auth_needed_view_user_payments/

 

The University of Cincinnati has open sources their malware reverse engineering class.

https://class.malware.re/

 

Not new but new to me: 23 node.js security tips.

https://medium.com/@nodepractices/were-under-attack-23-node-js-security-best-practices-e33c146cb87d

 

That's the news!

Application Security This Week for March 1

From @baskarmib on Twitter, we have an example of malware that will steal your Google authenticator codes.

https://www.zdnet.com/google-amp/article/android-malware-can-steal-google-authenticator-2fa-codes/?__twitter_impression=true

 

OK, I know we have a love hate relationship with ISC2, but they put opuur a cloud security paper, and it is really good.

https://blog.isc2.org/isc2_blog/2020/02/white-paper-on-cloud-security-risks-and-how-to-mitigate-them.html

 

Google is now explicitly suggesting that developers encrypt data used by their applications, on the device.

https://thehackernews.com/2020/02/android-app-data-encryption.html?m=1

 

Lots of Google today.  Their security team has a good whitepaper on malicious document detection.

https://security.googleblog.com/2020/02/improving-malicious-document-detection.html

 

Finally, if you aren't getting Violet Blue's weekly security roundup, you are missing out.  Lots of good stuff.

https://www.patreon.com/posts/cybersecurity-25-34318466

 

That's the news, folks.  Stay safe.

Bill Sempf

Husband. Father. Pentester. Secure software composer. Brewer. Lockpicker. Ninja. Insurrectionist. Lumberjack. All words that have been used to describe me recently. I help people write more secure software.

 

 

profile for Bill Sempf on Stack Exchange, a network of free, community-driven Q&A sites

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