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CVE-2020-7217: Releases · openSUSE/wicked

An ni_dhcp4_fsm_process_dhcp4_packet memory leak in openSUSE wicked 0.6.55 and earlier allows network attackers to cause a denial of service by sending DHCP4 packets with a different client-id.

CVE
#mac#dos#js
  • sysctl: process sysctl.d directories as in sysctl --system

  • sysctl: fix sysctl values for loopback device (bsc#1181163, bsc#1178357)

  • dhcp4: add option to set route pref-src to dhcp IP (bsc#1192353)

  • cleanup: warnings, time calculations and dhcp fixes (bsc#1188019)

  • wireless: reconnect on unexpected wpa_supplicant restart (bsc#1183495)

  • tuntap: avoid sysfs attr read error (bsc#1192311)

  • ifstatus: fix warning of unexpected interface flag combination (bsc#1192164)

  • rpm-spec: dbus config in /usr shouldn’t be marked as %config

  • ifconfig: differentiate if to re-trigger dad on address updates (bsc#1177215)

  • client: parse sysctl files in the correct order (bsc#1181186)

  • ifup: fix for set up with unenslave from unconfigured master (boo#954329)

  • rpm: prepare for new builds using usrmerged rpm macro (boo#1029961)

  • rpm: Let wicked-service also provide service(network)

  • cleanup: remove obsolete use-nanny=false (#815)

  • dbus: add variant container, generic object-path and uint32 array macros

  • avoid incomplete ifdown/timeout on route deletion error (bsc#1174099)

  • dhcp4: add DHCLIENT_CREATE_CID to ifcfg (jsc#SLE-15770)

  • wicked: fixes to ifreload on port changes (bsc#1168155,bsc#1172082)

  • team: fix schema to use correct hwaddr_policy property (boo#1171234)

  • team: enable ipv6 on ports when nsna_ping linkwatch is used (bsc#959556)

  • spec: fix old libwicked package provides/obsoletes (bsc#1165180)

  • ipv6: support to apply stable secret ifsysctl (jsc#SLE-6960)

  • dhcp4: discard lease on client-id mismatch (CVE-2020-7217,bsc#1160906)

  • dhcp4: free lease on response without message type (CVE-2020-7216,bsc#1160905)

  • dhcp6: don’t add free’d IA to ia_pd_list on T1>T2 (CVE-2019-18903,bsc#1160904)

  • dhcp6: fix use-after-free on option parsing failure (CVE-2019-18902,bsc#1160903)

  • utils: don’t reject NULL var array names/keys breaking wicked duid dump

  • routes: schema fix to avoid not applying rto_min incl. new time format (bsc#1160939)

  • systemd: order start wicked after network-pre.target and openvswitch.service start

  • packaging: use pkgconfig(libsystemd) instead of systemd-devel

  • misc bug fixes by Malte Kraus including undefined behaviour, memory access alignment
    corrections, use-after-free, missed initialization and format errors

  • dracut: add initial cmdline parsing as a config source

  • address: don’t check hwaddr length if parsing as ARPHRD_VOID

  • utils: added find and insert var array utils, cleanup

  • client: add show-policy calling policy generation

  • client: initial support to generate a basic policy directly

  • client: cleanup convert and show-config commands

  • libwicked: fix versioning and packaging (bsc#1143182,bsc#1132977)

  • dhcp6: omit noprefixroute with address-length (bsc#1150972)
    Permit to assume that the address prefix-length override
    specified in the config is a valid on-link prefix length,
    to let the kernel create a route for this prefix.

  • dhcp6: differentiated mode=auto resolving from RA (bsc#1150183)
    Fixed to not trigger to report an error when ipv6 RA is not available
    or the received RA disables dhcp while mode is set to auto, but to
    deliver a ‘deferred’ results.

  • dhcp6: initial support to request prefix for delegations (jsc#SLE-5936)

  • dhcp6: set the noprefixroute address option (bsc#1132280)

  • dhcp6: do not default to a /64 address prefix-length bsc#1132280
    Add an address-length aka DHCLIENT6_ADDRESS_LENGTH ifcfg option, which
    permits to specify explicit prefix-length to use for the DHCPv6 address
    and override detection using RA prefix info and a default to /128.

  • time: use boot time for timer instead of real time bsc#1129986

  • dhcp: Consistently log dhcp xid and enabled to log dhcp6 timings line.

  • dhcp6: lower unexpected xid messages to debug level

  • systemd: change to depend on udev settle service bsc#1136034, bsc#1132774
    Calling udevadm settle directly caused systemd to kill wicked services.

  • bridge: honour ifcfg LLADDR and set link address bsc#1042123, bsc#1142670

  • rfkill: fix switch statement to check enum variable not a constant bsc#1140117

  • man: ifcfg-ovs-bridge(5): recommend STARTMODE=nfsroot

  • dhcp4: nullify defer timer pointer when timeout (#798)

  • dhcp4: fix to request routing options when custom options are used bsc#1132326

  • testing: add ifbind.sh helper script allowing to test hotplugging

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