Security Team Weekly Summary: August 31, 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 287 public security vulnerability reports, retaining the 61 that applied to Ubuntu.
• Published 6 Ubuntu Security Notices which fixed 13 security issues (CVEs) across 6 supported packages.

Ubuntu Security Notices

• [USN-3402-1] PySAML2 vulnerability

• [USN-3401-1] TeX Live vulnerability

• [USN-3400-1] Augeas vulnerability

• [USN-3399-1] cvs vulnerability

• [USN-3398-1] graphite2 vulnerabilities

• [USN-3397-1] strongSwan vulnerability

Bug Triage

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

Mainline Inclusion Requests

• websockify (LP: #1108935) underway

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

Updates to Community Supported Packages

• Simon Quigley (tsimonq2) provided a debdiff for trusty for kdepimlibs (LP: #1630700)

• Simon Quigley (tsimonq2) provided a debdiff for xenial for kcoreaddons (LP: #1630700)

• Simon Quigley (tsimonq2) provided debdiffs for trusty-zesty for varnish (LP: #1708354)

Development

• Updated review tools to calculate uncompressed squashfs size and error out if too large. Update to unpack to SNAP_USER_COMMON and cleanup stale review directories.

• review-tools fix for LP: #1712476

• review-tools: implement new ‘reload-command’ yaml and new execstack checks
• Submitted apparmor pull for artful to the Kernel Team.
• Submitted seccomp logging patch set for both artful 4.12 and artful 4.13 kernels.
• Submitted PR 3804 for user and group name lookups in snap-seccomp in support of snap privilege dropping.
• Submitted PR 3805 to stop hardcoding uids and gids (for ‘root’ and ‘shadow’).

• Submitted libseccomp PR for improved logging changes (https://github.com/seccomp/libseccomp/pull/92).

• fixed a libseccomp test runner bug that was causing a class of tests to not run (https://github.com/seccomp/libseccomp/pull/91).

• Work with design on ‘Snap interfaces GUI descriptions’
• Perform various PR reviews in support of cross-distro and improved udev tagging
• Meet with snapd team (Gustavo) on final designs for new desktop interfaces (PR 3719)

What the Security Team is Reading This Week

• Weird Python Integers

• Rethinking the dbus message bus

Weekly Meeting

• Weekly meeting was cancelled this week (eclipse watching)

• 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