High severity · published Oct 3, 2019
CVE-2018-16452
The SMB parser in tcpdump before 4.9.3 has stack exhaustion in smbutil.c:smb_fdata() via recursion
7.5
CVSS
4.1%
EPSS
No
On KEV
Description
The SMB parser in tcpdump before 4.9.3 has stack exhaustion in smbutil.c:smb_fdata() via recursion.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.1% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TC
Tcpdump · Tcpdump
before 4.9.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-16452
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-16452
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html
seclists.org
http://seclists.org/fulldisclosure/2019/Dec/26
Release Notes
https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES
Patch
https://github.com/the-tcpdump-group/tcpdump/commit/24182d959f661327525a20d9a94c98a8ec016778
lists.debian.org
https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html
More from Tcpdump
9.8
CVE-2018-10105
tcpdump before 4.9.3 mishandles the printing of SMB data (issue 2 of 2)
9.8
CVE-2018-10103
tcpdump before 4.9.3 mishandles the printing of SMB data (issue 1 of 2)
9.8
CVE-2017-13725
The IPv6 routing header parser in tcpdump before 4.9.2 has a buffer over-read in print-rt6.c:rt6_print()
9.8
CVE-2017-13690
The IKEv2 parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c, several functions
9.8
CVE-2017-13689
The IKEv1 parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c:ikev1_id_print()