#VU99235 Input validation error in Nomad

 

#VU99235 Input validation error in Nomad

Published: October 22, 2024


Vulnerability identifier: #VU99235
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Nomad
Software vendor:
HashiCorp

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to insufficient validation of case-sensitive characters in Client FS API. A local user with read-fs permissions but not alloc-exec permissions to read files from the secrets dir.

Note, the vulnerability affects installations on case-insensitive file systems, such as Windows, macOS, and Linux with obscure ext4 options enabled.


Remediation

Install updates from vendor's website.

External links