tcpdump vulnerabilities

Products

• tcpdump 172
• libpcap 8
• tcpslice 1

Latest tcpdump CVEs

Newest publication first · page 1 of 8

1. CVE-2024-8006 NULL pointer dereference in libpcap before 1.10.5 with remote packet capture support

   Published 2024-08-30

   Medium·CVSS 4.4 EPSS 0.24%

   Remote packet capture support is disabled by default in libpcap. When a user builds libpcap with remote packet capture support enabled, one of the functions that become available is pcap_findalldevs_ex(). One of the function arguments can be a filesystem path, which normally mean...

2. CVE-2023-7256 Double-free in libpcap before 1.10.5 with remote packet capture support.

   Published 2024-08-30

   Medium·CVSS 4.4 EPSS 0.24%

   In affected libpcap versions during the setup of a remote packet capture the internal function sock_initaddress() calls getaddrinfo() and possibly freeaddrinfo(), but does not clearly indicate to the caller function whether freeaddrinfo() still remains to be called after the func...

3. CVE-2023-1801 The SMB protocol decoder in tcpdump version 4.99.3 can perform an out-of-bounds write when decoding a crafted network packet.

   Published 2023-04-07

   Medium·CVSS 6.5 EPSS 0.84%

   The SMB protocol decoder in tcpdump version 4.99.3 can perform an out-of-bounds write when decoding a crafted network packet.

4. CVE-2019-15167 The VRRP parser in tcpdump before 4.9.3 has a buffer over-read in print-vrrp.c:vrrp_print() for VRRP version 3, a different vulnerability than CVE-2018-14463.

   Published 2022-08-27

   Critical·CVSS 9.1 EPSS 1.1%

   The VRRP parser in tcpdump before 4.9.3 has a buffer over-read in print-vrrp.c:vrrp_print() for VRRP version 3, a different vulnerability than CVE-2018-14463.

5. CVE-2021-41043 Use after free in tcpslice triggers AddressSanitizer, no other confirmed impact.

   Published 2022-01-05

   Medium·CVSS 5.5 EPSS 0.93%

   Use after free in tcpslice triggers AddressSanitizer, no other confirmed impact.

6. CVE-2020-8036 str2tokbuf used incorrectly by print-someip.c

   Published 2020-11-04

   High·CVSS 7.5 EPSS 1.5%

   The tok2strbuf() function in tcpdump 4.10.0-PRE-GIT was used by the SOME/IP dissector in an unsafe way.

7. CVE-2020-8037 ppp decapsulator can be convinced to allocate a large amount of memory

   Published 2020-11-04

   High·CVSS 7.5 EPSS 3.1%

   The ppp decapsulator in tcpdump 4.9.3 can be convinced to allocate a large amount of memory.

8. CVE-2019-15165 sf-pcapng.c in libpcap before 1.9.1 does not properly validate the PHB header length before allocating memory.

   Published 2019-10-03

   Medium·CVSS 5.3 EPSS 2.8%

   sf-pcapng.c in libpcap before 1.9.1 does not properly validate the PHB header length before allocating memory.

9. CVE-2019-15164 rpcapd/daemon.c in libpcap before 1.9.1 allows SSRF because a URL may be provided as a capture source.

   Published 2019-10-03

   Medium·CVSS 5.3 EPSS 2.9%

   rpcapd/daemon.c in libpcap before 1.9.1 allows SSRF because a URL may be provided as a capture source.

10. CVE-2019-15163 rpcapd/daemon.c in libpcap before 1.9.1 allows attackers to cause a denial of service (NULL pointer dereference and daemon crash) if a crypt() call fails.

    Published 2019-10-03

    High·CVSS 7.5 EPSS 4.4%

    rpcapd/daemon.c in libpcap before 1.9.1 allows attackers to cause a denial of service (NULL pointer dereference and daemon crash) if a crypt() call fails.

11. CVE-2019-15162 rpcapd/daemon.c in libpcap before 1.9.1 on non-Windows platforms provides details about why authentication failed, which might make it easier for attackers to enumerate valid usernames.

    Published 2019-10-03

    Medium·CVSS 5.3 EPSS 1.8%

    rpcapd/daemon.c in libpcap before 1.9.1 on non-Windows platforms provides details about why authentication failed, which might make it easier for attackers to enumerate valid usernames.

12. CVE-2019-15161 rpcapd/daemon.c in libpcap before 1.9.1 mishandles certain length values because of reuse of a variable. This may open up an attack vector involving extra data at the end of a request.

    Published 2019-10-03

    Medium·CVSS 5.3 EPSS 2.8%

    rpcapd/daemon.c in libpcap before 1.9.1 mishandles certain length values because of reuse of a variable. This may open up an attack vector involving extra data at the end of a request.

13. CVE-2019-15166 lmp_print in tcpdump lacks certain boundary checks

    Published 2019-10-03

    High·CVSS 7.5 EPSS 4.8%

    lmp_print_data_link_subobjs() in print-lmp.c in tcpdump before 4.9.3 lacks certain bounds checks.

14. CVE-2018-16452 The SMB parser in tcpdump before 4.9.3 has stack exhaustion in smbutil.c:smb_fdata() via recursion.

    Published 2019-10-03

    High·CVSS 7.5 EPSS 4.0%

    The SMB parser in tcpdump before 4.9.3 has stack exhaustion in smbutil.c:smb_fdata() via recursion.

15. CVE-2018-16451 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.

    Published 2019-10-03

    High·CVSS 7.5 EPSS 4.0%

    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.

16. CVE-2018-16301 The command-line argument parser in tcpdump before 4.99.0 has a buffer overflow in tcpdump.c:read_infile(). To trigger this vulnerability the attacker needs to create a 4GB file on the local filesyste...

    Published 2019-10-03

    High·CVSS 7.8 EPSS 0.63%

    The command-line argument parser in tcpdump before 4.99.0 has a buffer overflow in tcpdump.c:read_infile(). To trigger this vulnerability the attacker needs to create a 4GB file on the local filesystem and to specify the file name as the value of the -F command-line argument of t...

17. CVE-2018-16300 The BGP parser in tcpdump before 4.9.3 allows stack consumption in print-bgp.c:bgp_attr_print() because of unlimited recursion.

    Published 2019-10-03

    High·CVSS 7.5 EPSS 4.0%

    The BGP parser in tcpdump before 4.9.3 allows stack consumption in print-bgp.c:bgp_attr_print() because of unlimited recursion.

18. CVE-2018-16230 The BGP parser in tcpdump before 4.9.3 has a buffer over-read in print-bgp.c:bgp_attr_print() (MP_REACH_NLRI).

    Published 2019-10-03

    High·CVSS 7.5 EPSS 3.7%

    The BGP parser in tcpdump before 4.9.3 has a buffer over-read in print-bgp.c:bgp_attr_print() (MP_REACH_NLRI).

19. CVE-2018-16229 The DCCP parser in tcpdump before 4.9.3 has a buffer over-read in print-dccp.c:dccp_print_option().

    Published 2019-10-03

    High·CVSS 7.5 EPSS 6.6%

    The DCCP parser in tcpdump before 4.9.3 has a buffer over-read in print-dccp.c:dccp_print_option().

20. CVE-2018-16228 The HNCP parser in tcpdump before 4.9.3 has a buffer over-read in print-hncp.c:print_prefix().

    Published 2019-10-03

    High·CVSS 7.5 EPSS 3.5%

    The HNCP parser in tcpdump before 4.9.3 has a buffer over-read in print-hncp.c:print_prefix().

21. CVE-2018-16227 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.

    Published 2019-10-03

    High·CVSS 7.5 EPSS 6.8%

    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.

22. CVE-2018-14882 The ICMPv6 parser in tcpdump before 4.9.3 has a buffer over-read in print-icmp6.c.

    Published 2019-10-03

    High·CVSS 7.5 EPSS 3.7%

    The ICMPv6 parser in tcpdump before 4.9.3 has a buffer over-read in print-icmp6.c.

23. CVE-2018-14881 The BGP parser in tcpdump before 4.9.3 has a buffer over-read in print-bgp.c:bgp_capabilities_print() (BGP_CAPCODE_RESTART).

    Published 2019-10-03

    High·CVSS 7.5 EPSS 4.8%

    The BGP parser in tcpdump before 4.9.3 has a buffer over-read in print-bgp.c:bgp_capabilities_print() (BGP_CAPCODE_RESTART).

24. CVE-2018-14880 The OSPFv3 parser in tcpdump before 4.9.3 has a buffer over-read in print-ospf6.c:ospf6_print_lshdr().

    Published 2019-10-03

    High·CVSS 7.5 EPSS 4.8%

    The OSPFv3 parser in tcpdump before 4.9.3 has a buffer over-read in print-ospf6.c:ospf6_print_lshdr().

25. CVE-2018-14879 The command-line argument parser in tcpdump before 4.9.3 has a buffer overflow in tcpdump.c:get_next_file().

    Published 2019-10-03

    High·CVSS 7.0 EPSS 4.7%

    The command-line argument parser in tcpdump before 4.9.3 has a buffer overflow in tcpdump.c:get_next_file().

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.