PT-2020-19933 · Tcpdump · Tcpdump

Published 2020-11-04 · Updated 2020-11-25 · CVE-2020-8036

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions tcpdump version 4.10.0-PRE-GIT

Description The issue arises from the unsafe use of the tok2strbuf() function by the SOME/IP dissector.

Recommendations For tcpdump version 4.10.0-PRE-GIT, consider disabling the SOME/IP dissector until a patch is available. Restrict access to the tok2strbuf() function to minimize the risk of exploitation.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2020-8036

Affected Products

Tcpdump

References · 9

• https://github.com/the-tcpdump-group/tcpdump/commit/e2256b4f2506102be2c6f7976f84f0d607c53d43 · Patch
• https://ubuntu.com/security/CVE-2020-8036 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-8036 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-8036 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-8036 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-8036 · Security Note
• https://t.me/cibsecurity/15839 · Telegram Post
• https://t.me/cvenotify/5124 · Telegram Post
• https://t.me/cvenotify/5150 · Telegram Post