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Debian Security   [more] [xml]
 2014-07-29 DSA-2992 linux - security update

Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or privilege escalation:

 2014-07-27 DSA-2991 modsecurity-apache - security update

Martin Holst Swende discovered a flaw in the way chunked requests are handled in ModSecurity, an Apache module whose purpose is to tighten the Web application security. A remote attacker could use this flaw to bypass intended mod_security restrictions by using chunked transfer coding with a capitalized Chunked value in the Transfer-Encoding HTTP header, allowing to send requests containing content that should have been removed by mod_security.

 2014-07-27 DSA-2990 cups - security update

It was discovered that the web interface in CUPS, the Common UNIX Printing System, incorrectly validated permissions on rss files and directory index files. A local attacker could possibly use this issue to bypass file permissions and read arbitrary files, possibly leading to a privilege escalation.


Debian Wiki   [more] [xml]
 2014-07-30T00:36:22Z Keysigning/Offers
Add myself to Keysigning offers
 2014-07-30T00:35:16Z Keysigning/DMOffers
Remove myself from DM keysigning
 2014-07-30T00:25:08Z Statistics
Debian member countries

Linuxtoday.com   [more] [xml]
 Tue, 29 Jul 2014 14:00:00 -0700 Mine Bitcoins with Raspberry Pi

LinuxUser: Jump on the cryptocurrency bandwagon and mine some of your own Bitcoins – or other currency – with a spare Raspberry Pi

 Tue, 29 Jul 2014 12:00:00 -0700 Easy Steps to Make GNOME 3 More Efficient

Linux.com: Few Linux desktops have brought about such controversy as GNOME 3

 Tue, 29 Jul 2014 10:00:00 -0700 An introduction to systemd for CentOS 7

Wazi: Red Hat-based distributions are migrating to systemd because it provides more efficient ways of managing services and quicker startup times.


OSNews   [more] [xml]
 Tue, 29 Jul 2014 18:28:36 GMT Another day, another sensationalist, unfounded security story
Dan Goodin, at Ars Technica, is writing about a security flaw in Android. It's got all the usual scary-scary language about doom and gloom, quotes from antivirus peddlers, and it wasn't long until sensationalist Apple site AppleInsider took it all one step further (relevant). So, is this a real security threat, or are we looking at sensationalism run amok? This is the issue in a nutshell. The Fake ID vulnerability stems from the failure of Android to verify the validity of cryptographic certificates that accompany each app installed on a device. The OS relies on the credentials when allocating special privileges that allow a handful of apps to bypass Android sandboxing. Under normal conditions, the sandbox prevents programs from accessing data belonging to other apps or to sensitive parts of the OS. Select apps, however, are permitted to break out of the sandbox. Adobe Flash in all but version 4.4, for instance, is permitted to act as a plugin for any other app installed on the phone, presumably to allow it to add animation and graphics support. Similarly, Google Wallet is permitted to access Near Field Communication hardware that processes payment information. Sounds serious! Should you be worried? Is it time to stock up on canned beans and switch to a Nokia 3310? Of course, it's always time to switch to a Nokia 3310, but not really because of this "issue". Buried deep within the Ars Technica article is Google's response to the issue. After receiving word of this vulnerability, we quickly issued a patch that was distributed to Android partners, as well as to AOSP. Google Play and Verify Apps have also been enhanced to protect users from this issue. At this time, we have scanned all applications submitted to Google Play as well as those Google has reviewed from outside of Google Play, and we have seen no evidence of attempted exploitation of this vulnerability. First, a patch been sent to OEMs and AOSP, but with Android's abysmal update situation, this is a moot point. The crux, however, lies with Google Play and Verify Apps. These have already been updated to detect this issue, and prevent applications that try to abuse this flaw from being installed. This means two things. First, that there are no applications in Google Play that exploit this issue. If you stick to Google Play, you're safe from this issue, period. No ifs and buts. Second, even if you install applications from outside of Google Play, you are still safe from this issue. Verify Apps is part of Play Services, and runs on every Android device from 2.3 and up. It scans every application at install and continuously during use for suspect behaviour. In this case, an application that tries to exploit this flaw will simply be blocked from installing or running. As a sidenote, you can actually disable Verify Apps, but unlike what some people seem to think, the dialog you get about sending data to Google when trying to sideload an application has nothing to do with this (that dialog just covers sending data about the application to Google, which is not required for Verify Apps to work). To actually completely disable Verify Apps, you need to go into the Google Settings application (or the Android settings application in 4.2 and up), navigate to Security, and disable it from there. To get back to the matter at hand: this means that every Android user with Google Play Services is 100% protected from this issue. The only way an Android user can potentially be affected by this issue is if she, one specifically allows installation from unknown sources, and two, specifically disables Verify Apps - all accompanied by several warnings. Luckily, not a single application in or outside of Google Play is currently trying to exploit this issue. While one can expect sensationalist nonsense from a site like AppleInsider - you don't blame TMZ for reporting on a fart by Miley Cyrus; you don't blame AppleInsider for spreading sensationalist nonsense - I'm very disappointed that a respected site like Ars Technica resorts to spreading this kind of fear, uncertainty, and doubt, especially since this isn't the first time the site has done so. Recently, it has become very clear that the security industry - antivirus peddlers and similar companies - have focussed all their attention on Android, resorting to all sorts of dirty tactics to scare unsuspecting users into buying their useless software. Since I can't stress this often enough: do not install antivirus on Android (or iOS, for that matter). It is not needed in any way, shape, or form. This is not the first time they have tried to spread and exploit fear, uncertainty, and doubt. Back when Windows started properly shoring up its security, Microsoft released MSE, and the mass infections of the early XP days became a thing of the past, they tried to use the exact same tactics to try and scare the rapidly growing number of OS X users into buying their junk. I advocated against this practice then (more here), and I will advocate against it now. When you come across stories like this, you can almost always assume it's FUD, whether it covers Android, OS X, or iOS. They almost always originate from antivirus peddlers, who know full well that operating system security - on both desktop and mobile - has increased so much these past decade or so that their core business model is at stake, and as such, they have to drum up the FUD. I just wish respected websites would not dance to their tunes for clicks. And yes, you should totally get a 3310.
 Tue, 29 Jul 2014 14:33:44 GMT Arment on 'app rot'
We've touched on this topic several times already - most recently only a few days ago: the application store model is facing some serious issues at the moment, to the heavy detriment of users and developers alike. If you don't want to take my word for it - and really, you shouldn't, as you should make up your own mind - Marco Arment has written a great summary of all the problems the application store model is facing, with a lot of quotes from other sources to come to a good overview. Apple's App Store design is a big part of the problem. The dominance and prominence of "top lists" stratifies the top 0.02% so far above everyone else that the entire ecosystem is encouraged to design for a theoretical top-list placement that, by definition, won't happen to 99.98% of them. Top lists reward apps that get people to download them, regardless of quality or long-term use, so that's what most developers optimize for. Profits at the top are so massive that the promise alone attracts vast floods of spam, sleaziness, clones, and ripoffs. Quality, sustainability, and updates are almost irrelevant to App Store success and usually aren't rewarded as much as we think they should be, and that's mostly the fault of Apple's lazy reliance on top lists instead of more editorial selections and better search. And: As the economics get tighter, it becomes much harder to support the lavish treatment that developers have given apps in the past, such as full-time staffs, offices, pixel-perfect custom designs of every screen, frequent free updates, and completely different iPhone and iPad interfaces. The application store model is under serious pressure.
 Tue, 29 Jul 2014 08:34:52 GMT seL4 microkernel released as open source
General Dynamics C4 Systems and NICTA are pleased to announce the open sourcing of seL4, the world's first operating-system kernel with an end-to-end proof of implementation correctness and security enforcement. It is still the world's most highly-assured OS. And here's the code.

DistroWatch.com: News   [more] [xml]
 2014-07-28T09:00:12+00:00 DistroWatch Weekly, Issue 569
This week in DistroWatch Weekly: Reviews: First impressions of Deepin 2014 News: Fedora Magazine encourages people to join Ask Fedora, Gentoo developer weighs in on using LibreSSL, FreeBSD team issues quarterly report, Ubuntu launches 8th edition of The Official Ubuntu Book Questions and Answers: Encrypted package downloads Released....
 2014-07-27T10:17:27+00:00 Distribution Release: Salix 14.1 "Openbox"
George Vlahavas has announced the release of Salix 14.1 "Openbox" edition, a lightweight Slackware-based distribution featuring with Openbox as the default window manager: "Salix Openbox 14.1 brings the Openbox window manager, teamed with fbpanel and SpaceFM to create a fast and flexible desktop environment. This is the most....
 2014-07-26T00:34:00+00:00 Development Release: Scientific Linux 7.0 Beta 1
Pat Riehecky has announced the availability of the first beta build of Scientific Linux 7.0, a distribution compiled from the source code for Red Hat Enterprise Linux 7 and enhanced with extra applications for scientific computing: "Today we are announcing a beta release of Scientific Linux 7. Changes....
 2014-07-25T19:01:24+00:00 Distribution Release: Core OS 367.1.0
Alex Polvi has announced the release of CoreOS 367.1.0, the first stable release of the specialist Linux distribution for servers and clusters: "First off, happy sysadmin day. We think we have a pretty good sysadmin surprise in store for you today as we are announcing the CoreOS stable....
 2014-07-25T01:57:22+00:00 Distribution Release: Ubuntu 14.04.1
Adam Conrad has announced the release of Ubuntu 14.04.1, the first maintenance update of the popular distribution's current stable release: "The Ubuntu team is pleased to announce the release of Ubuntu 14.04.1 LTS (long-term support) for its Desktop, Server, Cloud, and Core products, as well as other flavours....
 2014-07-24T22:00:32+00:00 Development Release: Elive 2.3.4 (Beta)
Samuel Baggen has announced the release of Elive 2.3.4, the latest beta version from the project that builds a Debian-based distribution with a customised Enlightenment desktop: "The Elive team is proud to announce the release of the beta version 2.3.4. This new version includes: a send-to-Dropbox option has....
 2014-07-23T14:18:21+00:00 Distribution Release: Oracle Linux 7.0
Oracle has announced the release of Oracle Linux 7.0, a distribution rebuilt from source code of Red Hat Enterprise Linux 7, but featuring a custom "unbreakable" kernel: "Oracle is pleased to announce the general availability of Oracle Linux 7. Oracle Linux 7 offers the latest innovations and improvements....
 2014-07-22T23:39:54+00:00 Distribution Release: Tails 1.1
An updated version of Tails, a Debian-based distribution known for its strong privacy features and pre-configured for anonymous web browsing, has been released: "Tails, The Amnesic Incognito Live System, version 1.1, is out. All users must upgrade as soon as possible - this release fixes numerous security issues.....
 2014-07-22T16:35:42+00:00 Distribution Release: Kali Linux 1.0.8
Mati Aharoni has announced the release of Kali Linux 1.0.8, a minor update of the project's Debian-based distribution with specialist tools for penetration testing and forensic analysis: "The long awaited Kali Linux USB EFI boot support feature has been added to our binary ISO builds, which has prompted....
 2014-07-21T08:59:57+00:00 DistroWatch Weekly, Issue 568
This week in DistroWatch Weekly: Reviews: Revisiting Antergos News: Mint considers "Debian Stable" edition, Fedora to provide bleeding-edge kernel, OpenBSD patches LibreSSL vulnerability, Debian releases final "Squeeze" update, articles on upgrading CentOS and installing Arch Tips and tricks: System monitoring and storage information Released last week: Zorin OS....

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