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suseSuseOPENSUSE-SU-2021:0416-1
HistoryMar 16, 2021 - 12:00 a.m.

Security update for connman (moderate)

2021-03-1600:00:00
lists.opensuse.org
16

8.8 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

5.8 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:A/AC:L/Au:N/C:P/I:P/A:P

An update that fixes two vulnerabilities is now available.

Description:

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

OSVersionArchitecturePackageVersionFilename
openSUSE Leap15.2x86_64< - openSUSE Leap 15.2 (x86_64):- openSUSE Leap 15.2 (x86_64):.x86_64.rpm

8.8 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

5.8 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:A/AC:L/Au:N/C:P/I:P/A:P