CVE-2020-8037

HIGH EPSS 86.0%
Published Nov 4, 20205y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Nov 4, 2020 5y ago
Last Modified Jun 17, 2026 2w ago

Description

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

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
86.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-770

Affected Products 22

VendorProductVersionRange
tcpdumptcpdump4.9.3any
debiandebian_linux9.0any
fedoraprojectfedora32any
fedoraprojectfedora33any
applemac_os_x* <10.14.6
applemac_os_x*≥10.15  –  <10.15.7
applemac_os_x10.14.6any
applemac_os_x10.14.6any
applemac_os_x10.14.6any
applemac_os_x10.14.6any
applemac_os_x10.14.6any
applemac_os_x10.14.6any
applemac_os_x10.14.6any
applemac_os_x10.14.6any
applemac_os_x10.14.6any
applemac_os_x10.14.6any
applemac_os_x10.14.6any
applemac_os_x10.15.7any
applemac_os_x10.15.7any
applemac_os_x10.15.7any
applemac_os_x10.15.7any
applemacos*≥11.0  –  <11.3

References 8

  • seclists.org http://seclists.org/fulldisclosure/2021/Apr/51
    Mailing ListThird Party Advisory
  • github.com https://github.com/the-tcpdump-group/tcpdump/commit/32027e199368dad9508965aae8cd8de5b6ab5231
    PatchThird Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2020/11/msg00018.html
    Mailing ListThird Party Advisory
  • 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/
  • support.apple.com https://support.apple.com/kb/HT212325
    Third Party Advisory
  • support.apple.com https://support.apple.com/kb/HT212326
    Third Party Advisory
  • support.apple.com https://support.apple.com/kb/HT212327
    Third Party Advisory

Remediation

  • github.com https://github.com/the-tcpdump-group/tcpdump/commit/32027e199368dad9508965aae8cd8de5b6ab5231
    PatchThird Party Advisory