SB20241022352 - Security restrictions bypass in Nomad
Published: October 22, 2024
Security Bulletin ID
SB20241022352
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 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
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 update from vendor's website.