SB2022021713 - IBM Integrated Analytics System update for Samba
Published: February 17, 2022 Updated: September 22, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2021-44142)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing EA metadata while opening files in smbd within the VFS Samba module (vfs_fruit). A remote attacker with ability to write to file's extended attributes can trigger an out-of-bounds write and execute arbitrary code with root privileges.
Note, the vulnerability in vfs_fruit exists in the default configuration of the fruit VFS module using fruit:metadata=netatalk or fruit:resource=file.
Remediation
Install update from vendor's website.
References
- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-integrated-analytics-system-is-vulnerable-to-arbitrary-code-execution-due-to-samba-cve-2021-44142-2/"
- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-integrated-analytics-system-is-vulnerable-to-arbitrary-code-execution-due-to-samba-cve-2021-44142-2/</a></p><p>
- https://www.ibm.com/support/pages/node/6556742</p><p><br></p>