Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
High
Attack Vector
Network
0

CVE-2020-25643

Disclosure Date: October 06, 2020 •
CVE-2020-25643 CVSS v3 Base Score: 7.2
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Add Assessment

No one has assessed this topic. Be the first to add your voice to the community.

CVSS V3 Severity and Metrics
Base Score:
7.2 High
Impact Score:
5.9
Exploitability Score:
1.2
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
High
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
kernel Linux kernel versions before 5.9-rc7
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Vendors

  • debian,
  • linux,
  • netapp,
  • opensuse,
  • redhat,
  • starwindsoftware

Products

  • debian linux 10.0,
  • debian linux 9.0,
  • enterprise linux 7.0,
  • enterprise linux 8.0,
  • h410c firmware -,
  • leap 15.1,
  • leap 15.2,
  • linux kernel,
  • linux kernel 5.9.0,
  • starwind virtual san v8
Technical Analysis