Red Hat Security AdvisoryRHSA-2020:4760
tcpdump security, bug fix, and enhancement update
Released 2020-11-04 · Red Hat rating Moderate · View on Red Hat →
Fixes 24 records
Priority MEDIUM 56
The BGP parser in tcpdump before 4.9.3 has a buffer over-read in print-bgp.c:bgp_capabilities_print() (BGP_CAPCODE_RESTART).
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.04763 · Published 2019-10-03 · Partial fix CWE-125
Priority MEDIUM 55
The BGP parser in tcpdump before 4.9.3 has a buffer over-read in print-bgp.c:bgp_attr_print() (MP_REACH_NLRI).
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.03891 · Published 2019-10-03 · Partial fix CWE-125
Priority MEDIUM 55
The HNCP parser in tcpdump before 4.9.3 has a buffer over-read in print-hncp.c:print_prefix().
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.03739 · Published 2019-10-03 · Partial fix CWE-125
Priority MEDIUM 55
The ICMPv6 parser in tcpdump before 4.9.3 has a buffer over-read in print-icmp6.c.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.03891 · Published 2019-10-03 · Partial fix CWE-125
Priority MEDIUM 50
The SMB parser in tcpdump before 4.9.3 has buffer over-reads in print-smb.c:print_trans() for \MAILSLOT\BROWSE and \PIPE\LANMAN.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.04134 · Published 2019-10-03 · Partial fix CWE-125
Priority MEDIUM 49
tcpdump before 4.9.3 mishandles the printing of SMB data (issue 2 of 2).
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.03858 · Published 2019-10-03 · Partial fix CWE-20
Priority MEDIUM 49
tcpdump before 4.9.3 mishandles the printing of SMB data (issue 1 of 2).
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.04066 · Published 2019-10-03 · Partial fix CWE-20
Priority MEDIUM 46
The SMB parser in tcpdump before 4.9.3 has stack exhaustion in smbutil.c:smb_fdata() via recursion.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.04122 · Published 2019-10-03 · Partial fix CWE-674
Priority MEDIUM 46
The BGP parser in tcpdump before 4.9.3 allows stack consumption in print-bgp.c:bgp_attr_print() because of unlimited recursion.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.04122 · Published 2019-10-03 · Partial fix CWE-674
Priority MEDIUM 46
The Babel parser in tcpdump before 4.9.3 has a buffer over-read in print-babel.c:babel_print_v2().
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.03985 · Published 2019-10-03 · Partial fix CWE-125
Priority MEDIUM 46
The BGP parser in tcpdump before 4.9.3 has a buffer over-read in print-bgp.c:bgp_capabilities_print() (BGP_CAPCODE_MP).
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.03985 · Published 2019-10-03 · Partial fix CWE-125
Priority MEDIUM 46
The ICMP parser in tcpdump before 4.9.3 has a buffer over-read in print-icmp.c:icmp_print().
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.03985 · Published 2019-10-03 · Partial fix CWE-125
Priority MEDIUM 46
The LDP parser in tcpdump before 4.9.3 has a buffer over-read in print-ldp.c:ldp_tlv_print().
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.03985 · Published 2019-10-03 · Partial fix CWE-125
Priority MEDIUM 43
The DCCP parser in tcpdump before 4.9.3 has a buffer over-read in print-dccp.c:dccp_print_option().
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.06816 · Published 2019-10-03 · Partial fix CWE-125
Priority MEDIUM 43
The IEEE 802.11 parser in tcpdump before 4.9.3 has a buffer over-read in print-802_11.c for the Mesh Flags subfield.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.06816 · Published 2019-10-03 · Partial fix CWE-125
Priority MEDIUM 41
lmp_print_data_link_subobjs() in print-lmp.c in tcpdump before 4.9.3 lacks certain bounds checks.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.04986 · Published 2019-10-03 · Partial fix CWE-120
Priority MEDIUM 41
The OSPFv3 parser in tcpdump before 4.9.3 has a buffer over-read in print-ospf6.c:ospf6_print_lshdr().
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.05135 · Published 2019-10-03 · Partial fix CWE-125
Priority MEDIUM 41
The IKEv1 parser in tcpdump before 4.9.3 has a buffer over-read in print-isakmp.c:ikev1_n_print().
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.05342 · Published 2019-10-03 · Partial fix CWE-125
Priority MEDIUM 40
The command-line argument parser in tcpdump before 4.9.3 has a buffer overflow in tcpdump.c:get_next_file().
CVSS 3.1HIGH 7.0· Local · No auth · User interaction · EPSS 0.04667 · Published 2019-10-03 · Partial fix CWE-120
Priority MEDIUM 40
The FRF.16 parser in tcpdump before 4.9.3 has a buffer over-read in print-fr.c:mfr_print().
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.03985 · Published 2019-10-03 · Partial fix CWE-125
Priority MEDIUM 40
The Rx parser in tcpdump before 4.9.3 has a buffer over-read in print-rx.c:rx_cache_find() and rx_cache_insert().
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.03985 · Published 2019-10-03 · Partial fix CWE-125
Priority MEDIUM 40
The RSVP parser in tcpdump before 4.9.3 has a buffer over-read in print-rsvp.c:rsvp_obj_print().
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.04069 · Published 2019-10-03 · Partial fix CWE-125
Priority MEDIUM 40
The LMP parser in tcpdump before 4.9.3 has a buffer over-read in print-lmp.c:lmp_print_data_link_subobjs().
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.03985 · Published 2019-10-03 · Partial fix CWE-125
Priority MEDIUM 40
The VRRP parser in tcpdump before 4.9.3 has a buffer over-read in print-vrrp.c:vrrp_print() for VRRP version 2, a different vulnerability than CVE-2019-15167.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.04719 · Published 2019-10-03 · Partial fix CWE-125