March 2019 - wlug - list.wlug.org.nz

Stopping Alert Volume Going To 100%
by Lawrence D'Oliveiro 20 Jan '21

20 Jan '21

For quite a while now, I’ve been annoyed by the system notification volume going to 100% on my Debian systems, regardless of my attempts to set it to a lower level. For example, when I open the KDE System Settings app, change something, then try to close the window, the sound that accompanies the save/discard/cancel alert is always startlingly loud. I think I have finally found a fix: in your /etc/pulse/daemon.conf, put in a line saying flat-volumes = no (You should find an existing comment “; flat-volumes = yes” that indicates the default.) You can make this new setting take effect in the current session immediately without having to logout or reboot, by executing the following as the currently-logged-in user: pulseaudio -k (This kills and restarts the PulseAudio daemon for your user session.) There are several discussions of the pros and cons of this issue online, going back some years. For example, here <https://bugzilla.redhat.com/show_bug.cgi?id=1265267>. Also a mention about the “flat-volumes” setting in the ever-reliable Arch Linux Wiki here <https://wiki.archlinux.org/index.php/PulseAudio>.

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Does Wi-Fi Security Really Matter?
by Lawrence D'Oliveiro 11 Apr '19

11 Apr '19

Seems the Wi-Fi Alliance is having yet another crack at coming up with a really secure protocol, this time to be called WPA3 <http://www.theregister.co.uk/2018/01/09/wi_fi_wpa3/>. Does anybody care? Remember that on the Internet, security is implemented between the endpoints, the protocols are designed not to care that everything in-between might be pawed through by eavesdroppers, or even active attackers trying to inject fake data.

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Devuan.org Now Points To 'Pwned' Page With Gopher URLs
by Peter Reutemann 31 Mar '19

31 Mar '19

'"DEVUAN.ORG HAS BEEN PWNED" reads a new message at the home page for Devuan (a fork of Debian without systemd) -- which re-redirects to a new page named pwned.html, reports Slashdot reader DevNull127: In all capital letters, its carefully-indented message (complete with an ascii-art logo) now informs visitors that "the web sucks -- JavaScript sucks -- browsers suck." Posting the URLs to several gopher sites, it adds that "Gopher is the way -- gopher is the future." "Kiss port 80 goodbye. Join the revolution on port 70." The attackers identify themselves as "Green Hat Hackers," a term generally understood to mean ambitious newbie hackers who want to improve their skills. "Stop the madness," continues their message, which appeared just hours before the first day of April. "Get yourself a gopher client."' -- source: https://idle.slashdot.org/story/19/03/31/212227 Cheers, Peter -- Peter Reutemann Dept. of Computer Science University of Waikato, NZ +64 (7) 858-5174 http://www.cms.waikato.ac.nz/~fracpete/ http://www.data-mining.co.nz/

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File-transfer Android to Linux using rsync
by tom butz 31 Mar '19

31 Mar '19

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Fwd: File-transfer between Android amd Linux using rsync
by tom butz 31 Mar '19

31 Mar '19

HOW TO TRANSFER FILES FROM ANDROID-PDA TO LINUX-LAPTOP ====================================================== I'm running Android 7.1 on an OPPO A73 phone/PDA, and sometimes need to transfer photos and other files to a laptop running Linux Mint 19.1. Steps required on the PDA: 1) install termux from Android PlayStore 2) install rsync (in termux, type: pkg install rsync) 3) install perl (in termux, type: pkg install perl) 4) in termux, type: termux-setup-storage (also automatically creates links) 5) in termux, type: cd storage, then type: ls to see the following directories: dcim: photos/videos taken with the PDA downloads: stuff you downloaded movies: music: pictures: shared: everything (includes the above directories) In the following examples we will use /dcim/ and /downloads/: oppopictures.prl ================ In termux, type: perl system "rsync -av /sdcard/DCIM/ username_on_laptop\@1.2.3.4:/oppo_pictures/" This will transfer photos (*.jpg) and videos (*.mp4) to /oppo_pictures/Camera/, and screenshots to /oppo_pictures/Screenshots/. Directory /oppo/pictures/ must exist on the laptop and grant world-access (chmod 777). Ignore rsync error-messages regarding file-attributes. oppodownloads.prl ================= In termux, type: perl system "rsync -av /storage/downloads/ username_on_laptop\@1.2.3.4:/oppo_downloads/" This will transfer files to /oppo_downloads/. Directory /oppo_downloads/ must exist on laptop and grant world-access (chmod 777). Ignore rsync error-messages regarding file-attributes. NOTE: REPLACE the numbers 1.2.3.4 in the above examples with your laptop's IP-address (as provided by your IP-router). Get them using ifconfig. Theoretically you could do the above using the /shared/ directory to get a copy of Android-files.

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Researchers Find 36 New Security Flaws In LTE Protocol
by Peter Reutemann 28 Mar '19

28 Mar '19

'A group of academics from South Korea have identified 36 new vulnerabilities in the Long-Term Evolution (LTE) standard used by thousands of mobile networks and hundreds of millions of users across the world. The vulnerabilities allow attackers to disrupt mobile base stations, block incoming calls to a device, disconnect users from a mobile network, send spoofed SMS messages, and eavesdrop and manipulate user data traffic. They were discovered by a four-person research team from the Korea Advanced Institute of Science and Technology Constitution (KAIST), and documented in a research paper they intend to present at the IEEE Symposium on Security and Privacy in late May 2019. The Korean researchers said they found 51 LTE vulnerabilities, of which 36 are new, and 15 have been first identified by other research groups in the past. They discovered this sheer number of flaws by using a technique known as fuzzing --a code testing method that inputs a large quantity of random data into an application and analyzes the output for abnormalities, which, in turn, give developers a hint about the presence of possible bugs. The resulting vulnerabilities, see image below or this Google Docs sheet, were located in both the design and implementation of the LTE standard among the different carriers and device vendors. The KAIST team said it notified both the 3GPP (industry body behind LTE standard) and the GSMA (industry body that represents mobile operators), but also the corresponding baseband chipset vendors and network equipment vendors on whose hardware they performed the LTEFuzz tests.' -- source: https://it.slashdot.org/story/19/03/28/2035257 Cheers, Peter -- Peter Reutemann Dept. of Computer Science University of Waikato, NZ +64 (7) 858-5174 http://www.cms.waikato.ac.nz/~fracpete/ http://www.data-mining.co.nz/

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ASUS Releases Fix For ShadowHammer Malware Attack
by Peter Reutemann 26 Mar '19

26 Mar '19

'ASUS may have inadvertently pushed malware to some of its computers through its update tool, but it at least it has a fix ready to go. The PC maker has released a new version of its Live Update software for laptops that addresses the ShadowHammer backdoor attack. It also promised "multiple security verification mechanisms" to reduce the chances of further attacks, and started using an "enhanced end-to-end encryption mechanism." There are upgrades to the behind-the-scenes server system to prevent future attacks, ASUS added. The company simultaneously reiterated the narrow scope of ShadowHammer, noting that the malware targeted a "very small and specific user group." It's believed to be an Advanced Persistent Threat -- that is, a state-backed assault against organizations rather than everyday users. Other ASUS devices weren't affected, according to a notice. While the fix is reassuring, it also raises questions as to why the systems weren't locked down earlier. Update tools are prime targets for hackers precisely because they're both trusted and have deep access to the operating system -- tight security is necessary to prevent an intruder from hijacking the process.' -- source: https://hardware.slashdot.org/story/19/03/26/2025229 Cheers, Peter -- Peter Reutemann Dept. of Computer Science University of Waikato, NZ +64 (7) 858-5174 http://www.cms.waikato.ac.nz/~fracpete/ http://www.data-mining.co.nz/

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Refuse To Be Terrorized
by Lawrence D'Oliveiro 26 Mar '19

26 Mar '19

I have written up some thoughts about those horrible happenings in Christchurch today. You can read them here <https://default-cube.deviantart.com/journal/Refuse-To-Be-Terrorized-Christc…>. I hope we learn the right lessons from others who have been here before us, and not repeat too many of their mistakes.

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Firefox Lockbox Comes To Android To Ease Password Pain
by Peter Reutemann 26 Mar '19

26 Mar '19

'If you're a Firefox true believer, or even just a Firefox user, your password struggles just got a little easier with the release of Firefox Lockbox for Android devices. From a report: The password manager, based on login information already in Firefox, makes it easier to sign into apps as well. It integrates with login autocomplete systems in both Apple's iOS and Google's Android software, Mozilla said. It's not as fancy as password managers like LastPass, BitWarden, 1Password and Dashlane, and the only browser it works with is Firefox. On the other hand, if you're already in the Firefox world, it's basically already set up for you. There's no migration process as with dedicated password managers.' -- source: https://news.slashdot.org/story/19/03/26/1559243 Cheers, Peter -- Peter Reutemann Dept. of Computer Science University of Waikato, NZ +64 (7) 858-5174 http://www.cms.waikato.ac.nz/~fracpete/ http://www.data-mining.co.nz/

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Google Makes Emails More Dynamic With AMP For Email
by Peter Reutemann 26 Mar '19

26 Mar '19

'Google today officially launched AMP for Email, its effort to turn emails from static documents into dynamic, web page-like experiences. >From a report: AMP for Email is coming to Gmail, but other major email providers like Yahoo Mail, Outlook and Mail.ru will also support AMP emails. It's been more than a year since Google first announced this initiative. Even by Google standards, that's a long incubation phase, though there's also plenty of backend work necessary to make this feature work. The promise of AMP for Email is that it'll turn basic messages into a surface for actually getting things done. "Over the past decade, our web experiences have changed enormously -- evolving from static flat content to interactive apps -- yet email has largely stayed the same with static messages that eventually go out of date or are merely a springboard to accomplishing a more complex task," Gmail product manager Aakash Sahney writes. "If you want to take action, you usually have to click on a link, open a new tab, and visit another website." With AMP for Email, those messages become interactive. That means you'll be able to RSVP to an event right from the message, fill out a questionnaire, browse through a store's inventory or respond to a comment -- all without leaving your web-based email client.' -- source: https://tech.slashdot.org/story/19/03/26/1838254 Cheers, Peter -- Peter Reutemann Dept. of Computer Science University of Waikato, NZ +64 (7) 858-5174 http://www.cms.waikato.ac.nz/~fracpete/ http://www.data-mining.co.nz/

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