#VU49914 Path traversal in Linux kernel - CVE-2020-28374 

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Main Vulnerability Database Vulnerabilities #VU49914

#VU49914 Path traversal in Linux kernel - CVE-2020-28374

Published: January 13, 2021 / Updated: January 21, 2021


Vulnerability identifier: #VU49914
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-28374
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in drivers/target/target_core_xcopy.c in the Linux kernel. A remote user with access to iSCSI LUN can send a specially crafted XCOPY request and read or write arbitrary files on the system.



Remediation

Install update from vendor's website.

External links