CVE-2020-8036
tcpdump: the tok2strbuf function was used by the SOME/IP dissector in an unsafe way
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 29, 2020
Updated · November 22, 2025
Description
An out-of-bounds read vulnerability was discovered in tcpdump while printing SOME/IP packets captured in a pcap file or coming from the network. This flaw allows a remote attacker to send specially crafted packets that, when printed, can trigger the flaw and crash the application. The highest threat from this vulnerability is to system availability.
Statement
This issue did not affect the versions of tcpdump as shipped with Red Hat Enterprise Linux 5, 6, 7, and 8, as they did not include support for the SOME/IP dissector.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-125 · Out-of-bounds Read