IBM Spectrum Scale update for Samba
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-23192 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
IBM Spectrum Scale Client/Desktop applications / File managers, FTP clients |
| Vendor | IBM Corporation |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Input validation error
EUVDB-ID: #VU58091
Risk: Medium
CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-23192
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the DCE/RPC fragment injection issue. A remote attacker can replace subsequent fragments in requests with their own data and alter the server behavior.
MitigationInstall update from vendor's website.
Vulnerable software versionsIBM Spectrum Scale: 5.1.0.0 - 5.1.2.1
External linkshttp://www.ibm.com/blogs/psirt/security-bulletin-a-vulnerability-in-samba-affects-ibm-spectrum-scale-smb-protocol-access-method-cve-2021-23192/
http://www.ibm.com/support/pages/node/6565039
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
