CVE-2020-8036 : The tok2strbuf() function in tcpdump 4.10.0-PRE-GIT was used by the SOME/IP diss

The tok2strbuf() function in tcpdump 4.10.0-PRE-GIT was used by the SOME/IP dissector in an unsafe way.

Published 2020-11-04 18:15:20

Updated 2020-11-25 18:45:12

Source Tcpdump Group

View at NVD, CVE.org

Products affected by CVE-2020-8036

Tcpdump » Tcpdump » Version: 4.10.0
cpe:2.3:a:tcpdump:tcpdump:4.10.0:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.09%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 41 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

https://github.com/the-tcpdump-group/tcpdump/commit/e2256b4f2506102be2c6f7976f84f0d607c53d43

SOME/IP: Fix terminating a "struct tok" array · the-tcpdump-group/tcpdump@e2256b4 · GitHub
Patch;Third Party Advisory

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