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CVE-2020-25643
Good to know:
Date: October 6, 2020
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.
Language: C
Severity Score
Related Resources (15)
Severity Score
Weakness Type (CWE)
Input Validation
CWE-20Top Fix
Upgrade Version
Upgrade to version v4.4.238,v4.9.238,v4.14.200,v4.19.148,v5.4.68,v5.8.12,v5.9-rc7
CVSS v3.1
Base Score: |
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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 |
CVSS v2
Base Score: |
|
---|---|
Access Vector (AV): | NETWORK |
Access Complexity (AC): | MEDIUM |
Authentication (AU): | SINGLE |
Confidentiality (C): | PARTIAL |
Integrity (I): | PARTIAL |
Availability (A): | COMPLETE |
Additional information: |