Episode 243
It's the end of the year for official duties for the Ubuntu Security team so we take a look back on the security highlights of 2024 for Ubuntu and predict what is coming in 2025.
Dec 20, 2024•24 min
Ubuntu Security Podcast
A fortnightly podcast talking about the latest developments and updates from the Ubuntu Security team, including a summary of recent security vulnerabilities and fixes as well as a discussion on some of the goings on in the wider Ubuntu Security community.
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Episodes
Episode 242
This week we dive into the details of a number of local privilege escalation vulnerablities discovered by Qualys in the needrestart package, covering topics from confused deputies to the inner workings of the /proc filesystem and responsible disclosure as well.
Nov 29, 2024•20 min
Episode 241
This week we take a deep dive into the latest Linux malware, GoblinRAT to look at how malware is evolving to stay stealthy and evade detection and how malware authors are learning from modern software development along the way.
Nov 14, 2024•18 min
Episode 240
For the third and final part in our series for Cybersecurity Awareness Month, Alex is again joined by Luci as well as Diogo Sousa to discuss future trends in cybersecurity and the likely threats of the future.
Oct 31, 2024•36 min
Episode 239
In the second part of our series for Cybersecurity Awareness Month, Luci is back with Alex, along with Eduardo Barretto to discuss our top cybersecurity best practices.
Oct 18, 2024•39 min
Episode 238
For the first in a 3-part series for Cybersecurity Awareness month, Luci Stanescu joins Alex to discuss the recent CUPS vulnerabilities as well as the evolution of cybersecurity since the origin of the internet.
Oct 04, 2024•32 min
Episode 237
John and Maximé have been talking about Ubuntu's AppArmor user namespace restrictions at the the Linux Security Summit in Europe this past week, plus we cover some more details from the official announcement of permission prompting in Ubuntu 24.10, a new release of Intel TDX for Ubuntu 24.04 LTS and more.
Sep 20, 2024•16 min
Episode 236
The long awaited preview of snapd-based AppArmor file prompting is finally seeing the light of day, plus we cover the recent 24.04.1 LTS release and the podcast officially moves to a fortnightly cycle.
Sep 06, 2024•18 min
Episode 235
A recent Microsoft Windows update breaks Linux dual-boot - or does it? This week we look into reports of the recent Windows patch-Tuesday update breaking dual-boot, including a deep-dive into the technical details of Secure Boot, SBAT, grub, shim and more, plus we look at a vulnerability in GNOME Shell and the handling of captive portals as well.
Aug 23, 2024•18 min
Episode 234
This week we take a deep dive behind-the-scenes look into how the team handled a recent report from Snyk's Security Lab of a local privilege escalation vulnerability in `wpa_supplicant` plus we cover security updates in Prometheus Alertmanager, OpenSSL, Exim, snapd, Gross, curl and more.
Aug 09, 2024•29 min
Episode 233
This week we take a look at the recent Crowdstrike outage and what we can learn from it compared to the testing and release process for security updates in Ubuntu, plus we cover details of vulnerabilities in poppler, phpCAS, EDK II, Python, OpenJDK and one package with over 300 CVE fixes in a single update.
Aug 02, 2024•24 min
Episode 232
This week we deep-dive into one of the best vulnerabilities we've seen in a long time _regreSSHion_ - an unauthenticated, remote, root code-execution vulnerability in OpenSSH. Plus we cover updates for Plasma Workspace, Ruby, Netplan, FontForge, OpenVPN and a whole lot more.
Jul 05, 2024•29 min
Episode 231
A look into CISA's Known Exploited Vulnerability Catalogue is on our minds this week, plus we look at vulnerability updates for gdb, Ansible, CUPS, libheif, Roundcube, the Linux kernel and more.
Jun 28, 2024•19 min
Episode 230
This week we bring you a special edition of the podcast, featuring an interview between Ijlal Loutfi and Karen Horovitz who deep-dive into Confidential Computing. Ranging from a high-level discussion of the need for and the features provided by confidential computing, through to the specifics of how this is implemented in Ubuntu and a look at similar future security technologies that are on the horizon.
Jun 20, 2024•21 min
Episode 229
As the podcast winds down for a break over the next month, this week we talk about RSA timing side-channel attacks and the recently announced DNSBomb vulnerability as we cover security updates in VLC, OpenSSL, Netatalk, WebKitGTK, amavisd-new, Unbound, Intel Microcode and more.
May 31, 2024•13 min
Episode 228
The team is back from Madrid and this week we bring you some of our plans for the upcoming Ubuntu 24.10 release, plus we talk about Google's kernelCTF project and Mozilla's PDF.js sandbox when covering security updates for the Linux kernel, Firefox, Spreadsheet::ParseExcel, idna and more.
May 24, 2024•16 min
Episode 227
Ubuntu 24.04 LTS is finally released and we cover all the new security features it brings, plus we look at security vulnerabilities in, and updates for, FreeRDP, Zabbix, CryptoJS, cpio, less, JSON5 and a heap more.
May 03, 2024•25 min
Episode 226
John and Georgia are at the Linux Security Summit presenting on some long awaited developments in AppArmor and we give you all the details in a sneak peek preview as well as some of the other talks to look out for, plus we cover security updates for NSS, Squid, Apache, libvirt and more and we put out a call for testing of a pending AppArmor security fix too.
Apr 19, 2024•24 min
Episode 225
This week we cover the recent reports of a new local privilege escalation exploit against the Linux kernel, follow-up on the xz-utils backdoor from last week and it's the beta release of Ubuntu 24.04 LTS - plus we talk security vulnerabilities in the X Server, Django, util-linux and more.
Apr 12, 2024•20 min
Episode 224
It's been an absolutely manic week in the Linux security community as the news and reaction to the recent announcement of a backdoor in the xz-utils project was announced late last week, so we dive deep into this issue and discuss how it impacts Ubuntu and give some insights for what this means for the open source and Linux communities in the future.
Apr 05, 2024•29 min
Episode 223
This week we bring you a sneak peak of how Ubuntu 23.10 fared at Pwn2Own Vancouver 2024, plus news of malicious themes in the KDE Store and we cover security updates for the Linux kernel, X.Org X Server, TeX Live, Expat, Bash and more.
Mar 22, 2024•17 min
Episode 222
We cover recent Linux malware from the Magnet Goblin threat actor, plus the news of Ubuntu 23.10 as a target in Pwn2Own Vancouver 2024 and we detail vulnerabilities in Puma, AccountsService, Open vSwitch, OVN, and more.
Mar 18, 2024•24 min
Episode 221
Andrei is back to discuss recent academic research into malware within the Python/PyPI ecosystem and whether it is possible to effectively combat it with open source tooling, plus we cover security updates for Unbound, libuv, node.js, the Linux kernel, libgit2 and more.
Mar 08, 2024•23 min
Episode 220
The Linux kernel.org CNA has assigned their first CVEs so we revisit this topic to assess the initial impact on Ubuntu and the CVE ecosystem, plus we cover security updates for Roundcube Webmail, less, GNU binutils and the Linux kernel itself.
Mar 01, 2024•19 min
Episode 219
This week the Linux kernel project announced they will be assigning their own CVEs so we discuss the possible implications and fallout from such a shift, plus we cover vulnerabilities in the kernel, Glance_store, WebKitGTK, Bind and more.
Feb 16, 2024•21 min
Episode 218
AppArmor unprivileged user namespace restrictions are back on the agenda this week as we survey the latest improvements to this hardening feature in the upcoming Ubuntu 24.04 LTS, plus we discuss SMTP smuggling in Postfix, runC container escapes and Qualys' recent disclosure of a privilege escalation exploit for GNU libc and more.
Feb 09, 2024•18 min
Episode 217
For the first episode of 2024 we take a look at the case of a raft of bogus FOSS CVEs reported on full-disclosure as well as AppSec tools in Ubuntu and the EOL announcement for 23.04, plus we cover vulnerabilities in the Linux kernel, Puma, Paramiko and more.
Feb 02, 2024•15 min
Episode 216
For the final episode of 2023 we discuss creating PoCs for vulns in tar and the looming EOL for Ubuntu 23.04, plus we look into security updates for curl, BlueZ, Netatalk, GNOME Settings and a heap more.
Dec 15, 2023•21 min
Episode 215
Mark Esler is our special guest on the podcast this week to discuss the OpenSSF's Compiler Options Hardening Guide for C/C++ plus we cover vulnerabilities and updates for GIMP, FreeRDP, GStreamer, HAProxy and more.
Dec 08, 2023•31 min
Episode 214
This week we take a deep dive into the Reptar vuln in Intel processors plus we look into some relic vulnerabilities in Squid and OpenZFS and finally we detail new hardening measures in tracker-miners to keep your desktop safer.
Dec 01, 2023•20 min
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