CVE-2018-10103: Input Validation

Published Oct 3, 2019
·
Updated

CVE-2018-10103 tcpdump before 4.9.3 mishandles the printing of SMB data (issue 1 of 2). CVE-2018-10105 tcpdump before 4.9.3 mishandles the printing of SMB data (issue 2 of 2).

Other sources

tcpdump. Multiple issues were addressed by updating to tcpdump version 4.9.3 and libpcap version 1.9.1

Credit

CVE-2017-16808, CVE-2018-10103, CVE-2018-10105, CVE-2018-14461, CVE-2018-14462, CVE-2018-14463, CVE-2018-14464, CVE-2018-14465, CVE-2018-14466, CVE-2018-14467, CVE-2018-14468, CVE-2018-14469, CVE-2018-14470, CVE-2018-14879, CVE-2018-14880, CVE-2018-14881, CVE-2018-14882, CVE-2018-16227, CVE-2018-16228, CVE-2018-16229, CVE-2018-16230, CVE-2018-16300, CVE-2018-16301, CVE-2018-16451, CVE-2018-16452, CVE-2019-15166, CVE-2019-15167

Affected Software

11 affected componentsFixes available
debian/tcpdump
4.99.0-2+deb11u14.99.3-14.99.5-1
Apple macOS Catalina<10.15.2
10.15.2
Apple Mojave
Apple High Sierra
tcpdump tcpdump<4.9.3
F5 BIG-IP
F5 BIG-IP>=15.0.0<=15.1.2
15.1.3
F5 BIG-IQ Centralized Management>=8.3.0<=8.4.0
F5 F5OS-A=1.8.0, >=1.5.1<=1.5.3
1.8.31.5.4
F5 F5OS-C>=1.8.0<=1.8.1, >=1.6.0<=1.6.2
1.8.21.6.4
F5 Traffix SDC>=5.0.0<=5.2.0

Event History

Oct 3, 2019
CVE Published
via MITRE·03:05 PM
Data Sourced
via MITRE·03:05 PM
Description
Jan 11, 2024
Data Sourced
via Launchpad·10:45 PM
Description
Sep 20, 2024
Data Sourced
via Ubuntu·01:53 AM
RemedyDescriptionSeverityAffected Software
Sep 29, 2025
Advisory Published
via F5·09:06 PM
Data Sourced
via F5·09:06 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2018-10103.

2

How does tcpdump before 4.9.3 mishandle the printing of SMB data?

Tcpdump before 4.9.3 mishandles the printing of SMB data by not properly handling certain malformed SMB packets, leading to a denial of service or potentially arbitrary code execution.

3

How can this vulnerability be fixed?

This vulnerability can be fixed by updating tcpdump to version 4.9.3 or higher.

4

What versions of tcpdump are affected by this vulnerability?

Versions of tcpdump before 4.9.3 are affected by this vulnerability.

5

Are there any workarounds for this vulnerability?

There are no known workarounds for this vulnerability, updating to a fixed version of tcpdump is recommended.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203
CVE-2018-10103 - Input Validation - SecAlerts