PT-2020-19934 · Tcpdump+9 · Tcpdump+9

Hardik Shah · Published 2020-11-04 · Updated 2025-01-28 · CVE-2020-8037

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 4.9.3

Description The issue concerns the ppp decapsulator in tcpdump, which can be tricked into allocating a large amount of memory. There is no information provided about the estimated number of potentially affected devices worldwide or details about real-world incidents where this issue was exploited.

Recommendations For tcpdump version 4.9.3, the problem can be resolved by improving the checks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

ALSA-2021:4236

ALT-PU-2023-2035

ALT-PU-2024-15273

ALT-PU-2024-15770

ALT-PU-2024-8987

AZL-6905

CESA-2021_4236

CVE-2020-8037

DLA-2444-1

MGASA-2020-0430

OPENSUSE-SU-2020:1983-1

OPENSUSE-SU-2020:1986-1

OPENSUSE-SU-2020_1983-1

OPENSUSE-SU-2020_1986-1

OPENSUSE-SU-2024:11425-1

RHSA-2021:4236

RHSA-2021_4236

RLSA-2021:4236

ROSA-SA-2025-2660

SUSE-SU-2020:3358-1

SUSE-SU-2020:3360-1

SUSE-SU-2020_3358-1

USN-5331-1

USN-5331-2

Affected Products

Alt Linux

Almalinux

Centos

Linuxmint

Apple Macos

Red Hat

Rocky Linux

Suse

Ubuntu

Tcpdump

References · 215

• https://github.com/the-tcpdump-group/tcpdump/commit/32027e199368dad9508965aae8cd8de5b6ab5231 · Patch
• https://linux.oracle.com/errata/ELSA-2021-4236.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-8037 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-2444-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F2MX34MJIUJQGL6CMEPLTKFOOOC3CJ4Z · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-8037 · Security Note
• https://ubuntu.com/security/CVE-2018-16301 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5331-2 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2020-0430 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWDBONZVLC6BAOR2KM376DJCM4H3FERV · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-8037 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2020:3358-1 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2020-0430.html · Security Note
• https://osv.dev/vulnerability/USN-5331-1 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-6905 · Vendor Advisory