CVE-2020-8037: The ppp decapsulator in tcpdump 4.9.3 can be convinced to allocate a large amount of memory

High severity · published Nov 4, 2020

CVE-2020-8037

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

7.5

CVSS

3.1%

EPSS

On KEV

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)3.1% · higher than 88% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

macOS · Apple

11.0 before 11.3 · source: NVD

Debian Linux · Debian

9.0 · source: NVD

Fedora · Fedoraproject

32; 33 · source: NVD

Mac OS X · Apple

before 10.14.6; 10.15 before 10.15.7; 10.14.6; 10.14.6; 10.14.6; 10.14.6; +11 more · source: NVD

Tcpdump · Tcpdump

4.9.3 · source: NVD

Affected product

macOS

Apple

All macOS CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2020-8037

CVE.org

https://www.cve.org/CVERecord?id=CVE-2020-8037

Mailing List

http://seclists.org/fulldisclosure/2021/Apr/51

Patch

https://github.com/the-tcpdump-group/tcpdump/commit/32027e199368dad9508965aae8cd8de5b6ab5231

Mailing List

https://lists.debian.org/debian-lts-announce/2020/11/msg00018.html

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F2MX34MJIUJQGL6CMEPLTKFOOOC3CJ4Z/

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWDBONZVLC6BAOR2KM376DJCM4H3FERV/

Third Party Advisory

https://support.apple.com/kb/HT212325