Security update for connman (moderate)

ID OPENSUSE-SU-2021:0416-1
Type suse
Reporter Suse
Modified 2021-03-16T21:20:14


An update that fixes two vulnerabilities is now available.


This update for connman fixes the following issues:

Update to 1.39 (boo#1181751):

  • Fix issue with scanning state synchronization and iwd.
  • Fix issue with invalid key with 4-way handshake offloading.
  • Fix issue with DNS proxy length checks to prevent buffer overflow. (CVE-2021-26675)
  • Fix issue with DHCP leaking stack data via uninitialized variable. (CVE-2021-26676)

Update to 1.38:

  • Fix issue with online check on IP address update.
  • Fix issue with OpenVPN and encrypted private keys.
  • Fix issue with finishing of VPN connections.
  • Add support for updated stable iwd APIs.
  • Add support for WireGuard networks.

Update to 1.37:

  • Fix issue with handling invalid gateway addresses.
  • Fix issue with handling updates of default gateway.
  • Fix issue with DHCP servers that require broadcast flag.
  • Add support for option to use gateways as time servers.
  • Add support for option to select default technology.
  • Add support for Address Conflict Detection (ACD).
  • Add support for IPv6 iptables management.

Change in 1.36:

  • Fix issue with DNS short response on error handling.
  • Fix issue with handling incoming DNS requests.
  • Fix issue with handling empty timeserver list.
  • Fix issue with incorrect DHCP byte order.
  • Fix issue with AllowDomainnameUpdates handling.
  • Fix issue with IPv4 link-local IP conflict error.
  • Fix issue with handling WISPr over TLS connections.
  • Fix issue with WiFi background scanning handling.
  • Fix issue with WiFi disconnect+connect race condition.
  • Fix issue with WiFi scanning and tethering operation.
  • Fix issue with WiFi security change handling.
  • Fix issue with missing signal for WPS changes.
  • Fix issue with online check retry handling.
  • Add support for systemd-resolved backend.
  • Add support for mDNS configuration setup.

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

  • openSUSE Leap 15.2:

    zypper in -t patch openSUSE-2021-416=1