Allocation of Resources Without Limits or Throttling in tcpdump (Alpine package)

Published: 2020-11-21
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2020-8037
Exploitation vector Network
Public exploit N/A
Vulnerable software
tcpdump (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Advisory

This security advisory describes one medium risk vulnerability.

1) Allocation of Resources Without Limits or Throttling

Risk: Medium

CVSSv3: 6.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-8037

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

Exploit availability: No


The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The ppp decapsulator in tcpdump 4.9.3 can be convinced to allocate a large amount of memory.


Install update from vendor's website.

Vulnerable software versions

tcpdump (Alpine package)

Alpine Linux 3.11
4.9.3-r2, 4.9.3-r1, 4.9.3-r0

Alpine Linux 3.10

Alpine Linux 3.9

Alpine Linux 3.8

CPE External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.