SB2021030502 - Linux nfsd vulnerability in F5 Traffix SDC
Published: March 5, 2021
Security Bulletin ID
SB2021030502
Severity
Low
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Incorrect permission assignment for critical resource (CVE-ID: CVE-2020-24394)
The vulnerability allows a local user to bypass implemented security restrictions.
The vulnerability exists due to incorrect assignment of permissions on new filesystem objects when the filesystem lacks ACL support in fs/nfsd/vfs.c (in the NFS server). A local user can read and write arbitrary files on the system.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.