CVE-2018-16452

HIGH EPSS 89.5%
Published Oct 3, 20196y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Oct 3, 2019 6y ago
Last Modified Jun 17, 2026 2w ago

Description

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

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
89.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-674

Affected Products 1

VendorProductVersionRange
tcpdumptcpdump* <4.9.3

References 16

  • 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
  • github.com https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES
    Release NotesThird Party Advisory
  • github.com https://github.com/the-tcpdump-group/tcpdump/commit/24182d959f661327525a20d9a94c98a8ec016778
    PatchThird Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/
  • seclists.org https://seclists.org/bugtraq/2019/Dec/23
  • seclists.org https://seclists.org/bugtraq/2019/Oct/28
  • security.netapp.com https://security.netapp.com/advisory/ntap-20200120-0001/
  • support.apple.com https://support.apple.com/kb/HT210788
  • usn.ubuntu.com https://usn.ubuntu.com/4252-1/
  • usn.ubuntu.com https://usn.ubuntu.com/4252-2/
  • debian.org https://www.debian.org/security/2019/dsa-4547

Remediation

  • github.com https://github.com/the-tcpdump-group/tcpdump/commit/24182d959f661327525a20d9a94c98a8ec016778
    PatchThird Party Advisory