CVE-2018-16451
HIGHCVSS 7.5/10EPSS 4.13%
Last modified
CVE-2018-16451 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 4.13% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tcpdump | Tcpdump | < 4.9.3 |
| Apple | Mac Os X | < 10.15.2 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Fedoraproject | Fedora | 29 |
| Fedoraproject | Fedora | 30 |
| Fedoraproject | Fedora | 31 |
| Opensuse | Leap | 15.0 |
| Opensuse | Leap | 15.1 |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux | 8.0 |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.htmlThird Party Advisory
- http://seclists.org/fulldisclosure/2019/Dec/26Mailing List, Third Party Advisory
- https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGESRelease Notes, Third Party Advisory
- https://github.com/the-tcpdump-group/tcpdump/commit/96480ab95308cd9234b4f09b175ebf60e17792c6Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00015.htmlThird Party Advisory
- https://seclists.org/bugtraq/2019/Dec/23Mailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/Oct/28Mailing List, Third Party Advisory
- https://support.apple.com/kb/HT210788Third Party Advisory
- https://www.debian.org/security/2019/dsa-4547Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.htmlThird Party Advisory
- http://seclists.org/fulldisclosure/2019/Dec/26Mailing List, Third Party Advisory
- https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGESRelease Notes, Third Party Advisory
- https://github.com/the-tcpdump-group/tcpdump/commit/96480ab95308cd9234b4f09b175ebf60e17792c6Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00015.htmlThird Party Advisory
- https://seclists.org/bugtraq/2019/Dec/23Mailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/Oct/28Mailing List, Third Party Advisory
- https://support.apple.com/kb/HT210788Third Party Advisory
- https://www.debian.org/security/2019/dsa-4547Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2018-16451?
CVE-2018-16451 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.13% probability of exploitation in the next 30 days.
How do I fix CVE-2018-16451?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2018-16451?
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Scan your code nowSource: NVD / NIST