Allocation of Resources Without Limits or Throttling in Tcpdump - CVE-2020-8037

 

Allocation of Resources Without Limits or Throttling in Tcpdump - CVE-2020-8037

Published: November 4, 2020 / Updated: April 27, 2021


Vulnerability identifier: #VU48587
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-8037
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Tcpdump.org
Affected software:
Tcpdump

Detailed vulnerability description

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.


How to mitigate CVE-2020-8037

Install update from vendor's website.

Sources