Security Team Weekly Summary: December 21, 2017

The Security Team weekly reports are intended to be very short summaries of the Security Team’s weekly activities.

If you would like to reach the Security Team, you can find us at the #ubuntu-hardened channel on FreeNode. Alternatively, you can mail the Ubuntu Hardened mailing list at: [email protected]

During the last week, the Ubuntu Security team:

• Triaged 301 public security vulnerability reports, retaining the 47 that applied to Ubuntu.
• Published 5 Ubuntu Security Notices which fixed 3 security issues (CVEs) across 7 supported packages.

Ubuntu Security Notices

• [USN-3512-1] OpenSSL vulnerabilities

• [USN-3513-1] libxml2 vulnerability

• [USN-3513-2] libxml2 vulnerability

• [USN-3509-3] Linux kernel regression

• [USN-3509-4] Linux kernel (Xenial HWE) regression

Bug Triage

• Backlog: https://bugs.launchpad.net/~ubuntu-security/+subscribedbugs

Mainline Inclusion Requests

• libteam underway (LP: #1392012)

• MIR backlog: https://bugs.launchpad.net/~ubuntu-security/+assignedbugs?field.searchtext=%5BMIR%5D

Development

• Disable squashfs fragments in snap

  • https://github.com/snapcore/snapd/pull/4396

  • https://github.com/snapcore/snapcraft/pull/1805

  • prepared/tested/uploaded squashfs-tools fixes for 1555305 in bionic through trusty and did SRU paperwork
• PR 4387 – explicitly deny ~/.gnupg/random_seed in gpg-keys interface
• Submitted PR 4399 for rewrite snappy-app-dev in Go
• Created PR 4406 – interfaces/dbus: adjust slot policy for listen, accept and accept4 syscalls
• Reviews
  • PR 4365 – wayland slot implementation

What the Security Team is Reading This Week

• Internet Chemotherapy

• Using BGP to Acquire Bogus TLS Certificates

• Cyber Security Framework DRAFT

Weekly Meeting

• Log: https://wiki.ubuntu.com/MeetingLogs/Security/20171211

• Info: https://wiki.ubuntu.com/SecurityTeam/Meeting

More Info

• Ubuntu CVE Tracker

• Ubuntu security notices

• Follow Ubuntu Security on Twitter

• How to help improve Ubuntu security