CVE-2020-25643 (High) detected in linuxlinux-4.6

[mend-bolt-for-github[bot]]

CVE-2020-25643 - High Severity Vulnerability

Vulnerable Library - linuxlinux-4.6

The Linux Kernel

Library home page: https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/?wsslib=linux

Found in HEAD commit: 63ac601c421ad3f087ec68a99300cc5058d1cc54

Found in base branch: master

Vulnerable Source Files (3)

/drivers/net/wan/hdlc_ppp.c /drivers/net/wan/hdlc_ppp.c /drivers/net/wan/hdlc_ppp.c

Vulnerability Details

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.

Publish Date: 2020-10-06

URL: CVE-2020-25643

CVSS 3 Score Details (7.2)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: High - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Release Date: 2020-10-06

Fix Resolution: v4.4.238,v4.9.238,v4.14.200,v4.19.148,v5.4.68,v5.8.12,v5.9-rc7

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[mend-bolt-for-github[bot]]

:information_source: This issue was automatically re-opened by Mend because the vulnerable library in the specific branch(es) has been detected in the Mend inventory.

[mend-bolt-for-github[bot]]

:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.