Vulnerability Monitor

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CVE-2018-16452

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

Published

2019-10-03T16:15:12.803

Last Modified

2025-12-03T20:16:23.083

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-674
Type: Secondary
CWE-674

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	tcpdump	tcpdump	< 4.9.3	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html ([email protected])
http://seclists.org/fulldisclosure/2019/Dec/26 ([email protected])
https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES Release Notes, Third Party Advisory ([email protected])
https://github.com/the-tcpdump-group/tcpdump/commit/24182d959f661327525a20d9a94c98a8ec016778 Patch, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/ ([email protected])
https://seclists.org/bugtraq/2019/Dec/23 ([email protected])
https://seclists.org/bugtraq/2019/Oct/28 ([email protected])
https://security.netapp.com/advisory/ntap-20200120-0001/ ([email protected])
https://support.apple.com/kb/HT210788 ([email protected])
https://usn.ubuntu.com/4252-1/ ([email protected])
https://usn.ubuntu.com/4252-2/ ([email protected])
https://www.debian.org/security/2019/dsa-4547 ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2019/Dec/26 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/the-tcpdump-group/tcpdump/commit/24182d959f661327525a20d9a94c98a8ec016778 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/ (af854a3a-2127-422b-91ae-364da2661108)
https://seclists.org/bugtraq/2019/Dec/23 (af854a3a-2127-422b-91ae-364da2661108)
https://seclists.org/bugtraq/2019/Oct/28 (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20200120-0001/ (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/kb/HT210788 (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4252-1/ (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4252-2/ (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2019/dsa-4547 (af854a3a-2127-422b-91ae-364da2661108)