CVE-2016-7922

The AH parser in tcpdump before 4.9.0 has a buffer overflow in print-ah.c:ah_print().

The AH parser in tcpdump before 4.9.0 has a buffer overflow in print-ah.c:ah_print().

The AH parser in tcpdump before 4.9.0 has a buffer overflow in print-ah.c:ah_print().

The AH parser in tcpdump before 4.9.0 has a buffer overflow in print-ah.c:ah_print(). (CVE-2016-7922)

The ARP parser in tcpdump before 4.9.0 has a buffer overflow in print-arp.c:arp_print(). (CVE-2016-7923)

The ATM parser in tcpdump before 4.9.0 has a buffer overflow in print-atm.c:oam_print(). (CVE-2016-7924)

The compressed SLIP parser in tcpdump before 4.9.0 has a buffer overflow in print-sl.c:sl_if_print(). (CVE-2016-7925)

The Ethernet parser in tcpdump before 4.9.0 has a buffer overflow in print-ether.c:ethertype_print(). (CVE-2016-7926)

The IEEE 802.11 parser in tcpdump before 4.9.0 has a buffer overflow in print-802_11.c:ieee802_11_radio_print(). (CVE-2016-7927)

The IPComp parser in tcpdump before 4.9.0 has a buffer overflow in print-ipcomp.c:ipcomp_print(). (CVE-2016-7928)

The Juniper PPPoE ATM parser in tcpdump before 4.9.0 has a buffer overflow in print-juniper.c:juniper_parse_header(). (CVE-2016-7929)

The LLC/SNAP parser in tcpdump before 4.9.0 has a buffer overflow in print-llc.c:llc_print(). (CVE-2016-7930)

The MPLS parser in tcpdump before 4.9.0 has a buffer overflow in print-mpls.c:mpls_print(). (CVE-2016-7931)

The PIM parser in tcpdump before 4.9.0 has a buffer overflow in print-pim.c:pimv2_check_checksum(). (CVE-2016-7932)

The PPP parser in tcpdump before 4.9.0 has a buffer overflow in print-ppp.c:ppp_hdlc_if_print(). (CVE-2016-7933)

The RTCP parser in tcpdump before 4.9.0 has a buffer overflow in print-udp.c:rtcp_print(). (CVE-2016-7934)

The RTP parser in tcpdump before 4.9.0 has a buffer overflow in print-udp.c:rtp_print(). (CVE-2016-7935)

The UDP parser in tcpdump before 4.9.0 has a buffer overflow in print-udp.c:udp_print(). (CVE-2016-7936)

The VAT parser in tcpdump before 4.9.0 has a buffer overflow in print-udp.c:vat_print(). (CVE-2016-7937)

The ZeroMQ parser in tcpdump before 4.9.0 has an integer overflow in print-zeromq.c:zmtp1_print_frame(). (CVE-2016-7938)

The GRE parser in tcpdump before 4.9.0 has a buffer overflow in print-gre.c, multiple functions. (CVE-2016-7939)

The STP parser in tcpdump before 4.9.0 has a buffer overflow in print-stp.c, multiple functions. (CVE-2016-7940)

The AppleTalk parser in tcpdump before 4.9.0 has a buffer overflow in print-atalk.c, multiple functions. (CVE-2016-7973)

The IP parser in tcpdump before 4.9.0 has a buffer overflow in print-ip.c, multiple functions. (CVE-2016-7974)

The TCP parser in tcpdump before 4.9.0 has a buffer overflow in print-tcp.c:tcp_print(). (CVE-2016-7975)

The BOOTP parser in tcpdump before 4.9.0 has buffer overflows in print-bootp.c:bootp_print(). (CVE-2016-7983 and CVE-2017-5203)

The TFTP parser in tcpdump before 4.9.0 has a buffer overflow in print-tftp.c:tftp_print(). (CVE-2016-7984)

The CALM FAST parser in tcpdump before 4.9.0 has a buffer overflow in print-calm-fast.c:calm_fast_print(). (CVE-2016-7985)

The GeoNetworking parser in tcpdump before 4.9.0 has a buffer overflow in print-geonet.c, multiple functions. (CVE-2016-7986)

The Classical IP over ATM parser in tcpdump before 4.9.0 has a buffer overflow in print-cip.c:cip_if_print(). (CVE-2016-7992)

A bug in util-print.c:relts_print() in tcpdump before 4.9.0 could cause a buffer overflow in multiple protocol parsers (DNS, DVMRP, HSRP, IGMP, lightweight resolver protocol, PIM). (CVE-2016-7993)

The FRF.15 parser in tcpdump before 4.9.0 has a buffer overflow in print-fr.c:frf15_print(). (CVE-2016-8574)

The Q.933 parser in tcpdump before 4.9.0 has buffer overflows in print-fr.c:q933_print(). (CVE-2016-8575 and CVE-2017-5482)

The ISO CLNS parser in tcpdump before 4.9.0 has buffer overflows in print-isoclns.c:clnp_print(). (CVE-2017-5202 and CVE-2017-5486)

The IPv6 parser in tcpdump before 4.9.0 has a buffer overflow in print-ip6.c:ip6_print(). (CVE-2017-5204)

The ISAKMP parser in tcpdump before 4.9.0 has a buffer overflow in print-isakmp.c:ikev2_e_print(). (CVE-2017-5205)

The OTV parser in tcpdump before 4.9.0 has a buffer overflow in print-otv.c:otv_print().…

These are all security issues fixed in the tcpdump-4.99.1-1.2 package on the GA media of openSUSE Tumbleweed.

This update for tcpdump fixes the following issues:

Security issues fixed (bsc#1020940):

• CVE-2016-7922: Corrected buffer overflow in AH parser print-ah.c:ah_print().
• CVE-2016-7923: Corrected buffer overflow in ARP parser print-arp.c:arp_print().
• CVE-2016-7925: Corrected buffer overflow in compressed SLIP parser print-sl.c:sl_if_print().
• CVE-2016-7926: Corrected buffer overflow in the Ethernet parser print-ether.c:ethertype_print().
• CVE-2016-7927: Corrected buffer overflow in the IEEE 802.11 parser print-802_11.c:ieee802_11_radio_print().
• CVE-2016-7928: Corrected buffer overflow in the IPComp parser print-ipcomp.c:ipcomp_print().
• CVE-2016-7931: Corrected buffer overflow in the MPLS parser print-mpls.c:mpls_print().
• CVE-2016-7936: Corrected buffer overflow in the UDP parser print-udp.c:udp_print().
• CVE-2016-7934,CVE-2016-7935,CVE-2016-7937: Corrected segmentation faults in function udp_print().
• CVE-2016-7939: Corrected buffer overflows in GRE parser print-gre.c:(multiple functions).
• CVE-2016-7940: Corrected buffer overflows in STP parser print-stp.c:(multiple functions).
• CVE-2016-7973: Corrected buffer overflow in AppleTalk parser print-atalk.c.
• CVE-2016-7974: Corrected buffer overflow in IP parser print-ip.c:(multiple functions).
• CVE-2016-7975: Corrected buffer overflow in TCP parser print-tcp.c:tcp_print().
• CVE-2016-7983,CVE-2016-7984: Corrected buffer overflow in TFTP parser print-tftp.c:tftp_print().
• CVE-2016-7992: Corrected buffer overflow in Classical IP over ATM parser print-cip.c.
• CVE-2016-7993: Corrected buffer overflow in multiple protocol parsers (DNS, DVMRP, HSRP, etc.).
• CVE-2016-8574: Corrected buffer overflow in FRF.15 parser print-fr.c:frf15_print().
• CVE-2017-5202: Corrected buffer overflow in ISO CLNS parser print-isoclns.c:clnp_print().
• CVE-2017-5203: Corrected buffer overflow in BOOTP parser print-bootp.c:bootp_print().
• CVE-2017-5204: Corrected buffer overflow in IPv6 parser print-ip6.c:ip6_print().
• CVE-2017-5483: Corrected buffer overflow in SNMP parser print-snmp.c:asn1_parse().
• CVE-2017-5484: Corrected buffer overflow in ATM parser print-atm.c:sig_print().
• CVE-2017-5485: Corrected buffer overflow in ISO CLNS parser addrtoname.c:lookup_nsap().
• CVE-2017-5486: Corrected buffer overflow in ISO CLNS parser print-isoclns.c:clnp_print().

This update for tcpdump to version 4.9.0 and libpcap to version 1.8.1 fixes the several issues.

These security issues were fixed in tcpdump:

• CVE-2016-7922: The AH parser in tcpdump had a buffer overflow in print-ah.c:ah_print() (bsc#1020940).
• CVE-2016-7923: The ARP parser in tcpdump had a buffer overflow in print-arp.c:arp_print() (bsc#1020940).
• CVE-2016-7924: The ATM parser in tcpdump had a buffer overflow in print-atm.c:oam_print() (bsc#1020940).
• CVE-2016-7925: The compressed SLIP parser in tcpdump had a buffer overflow in print-sl.c:sl_if_print() (bsc#1020940).
• CVE-2016-7926: The Ethernet parser in tcpdump had a buffer overflow in print-ether.c:ethertype_print() (bsc#1020940).
• CVE-2016-7927: The IEEE 802.11 parser in tcpdump had a buffer overflow in print-802_11.c:ieee802_11_radio_print() (bsc#1020940).
• CVE-2016-7928: The IPComp parser in tcpdump had a buffer overflow in print-ipcomp.c:ipcomp_print() (bsc#1020940).
• CVE-2016-7929: The Juniper PPPoE ATM parser in tcpdump had a buffer overflow in print-juniper.c:juniper_parse_header() (bsc#1020940).
• CVE-2016-7930: The LLC/SNAP parser in tcpdump had a buffer overflow in print-llc.c:llc_print() (bsc#1020940).
• CVE-2016-7931: The MPLS parser in tcpdump had a buffer overflow in print-mpls.c:mpls_print() (bsc#1020940).
• CVE-2016-7932: The PIM parser in tcpdump had a buffer overflow in print-pim.c:pimv2_check_checksum() (bsc#1020940).
• CVE-2016-7933: The PPP parser in tcpdump had a buffer overflow in print-ppp.c:ppp_hdlc_if_print() (bsc#1020940).
• CVE-2016-7934: The RTCP parser in tcpdump had a buffer overflow in print-udp.c:rtcp_print() (bsc#1020940).
• CVE-2016-7935: The RTP parser in tcpdump had a buffer overflow in print-udp.c:rtp_print() (bsc#1020940).
• CVE-2016-7936: The UDP parser in tcpdump had a buffer overflow in print-udp.c:udp_print() (bsc#1020940).
• CVE-2016-7937: The VAT parser in tcpdump had a buffer overflow in print-udp.c:vat_print() (bsc#1020940).
• CVE-2016-7938: The ZeroMQ parser in tcpdump had an integer overflow in print-zeromq.c:zmtp1_print_frame() (bsc#1020940).
• CVE-2016-7939: The GRE parser in tcpdump had a buffer overflow in print-gre.c, multiple functions (bsc#1020940).
• CVE-2016-7940: The STP parser in tcpdump had a buffer overflow in print-stp.c, multiple functions (bsc#1020940).
• CVE-2016-7973: The AppleTalk parser in tcpdump had a buffer overflow in print-atalk.c, multiple functions (bsc#1020940).
• CVE-2016-7974: The IP parser in tcpdump had a buffer overflow in print-ip.c, multiple functions (bsc#1020940).
• CVE-2016-7975: The TCP parser in tcpdump had a buffer overflow in print-tcp.c:tcp_print() (bsc#1020940).
• CVE-2016-7983: The BOOTP parser in tcpdump had a buffer overflow in print-bootp.c:bootp_print() (bsc#1020940).
• CVE-2016-7984: The TFTP parser in tcpdump had a buffer overflow in print-tftp.c:tftp_print() (bsc#1020940).
• CVE-2016-7985: The CALM FAST parser in tcpdump had a buffer overflow in print-calm-fast.c:calm_fast_print() (bsc#1020940).
• CVE-2016-7986: The GeoNetworking parser in tcpdump had a buffer overflow in print-geonet.c, multiple functions (bsc#1020940).
• CVE-2016-7992: The Classical IP over ATM parser in tcpdump had a buffer overflow in print-cip.c:cip_if_print() (bsc#1020940).
• CVE-2016-7993: A bug in util-print.c:relts_print() in tcpdump could cause a buffer overflow in multiple protocol parsers (DNS, DVMRP, HSRP, IGMP, lightweight resolver protocol, PIM) (bsc#1020940).
• CVE-2016-8574: The FRF.15 parser in tcpdump had a buffer overflow in print-fr.c:frf15_print() (bsc#1020940).
• CVE-2016-8575: The Q.933 parser in tcpdump had a buffer overflow in print-fr.c:q933_print(), a different vulnerability than CVE-2017-5482 (bsc#1020940).
• CVE-2017-5202: The ISO CLNS parser in tcpdump had a buffer overflow in print-isoclns.c:clnp_print() (bsc#1020940).
• CVE-2017-5203: The BOOTP parser in tcpdump had a buffer overflow in print-bootp.c:bootp_print() (bsc#1020940).
• CVE-2017-5204: The IPv6 parser…

It was discovered that tcpdump incorrectly handled certain packets. A remote attacker could use this issue to cause tcpdump to crash, resulting in a denial of service, or possibly execute arbitrary code.

In the default installation, attackers would be isolated by the tcpdump AppArmor profile.