Multiple vulnerabilities in IBM FlashSystem models FS900 and V9000

Published: 2022-11-02

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-35550 CVE-2021-35603
CWE-ID	CWE-300 CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	FlashSystem 900 9840-AE3 and 9843-AE3 Hardware solutions / Firmware FlashSystem 900 9840-AE2 and 9843-AE2 Hardware solutions / Firmware FlashSystem 900 9840-AE1 and 9843-AE1 Hardware solutions / Firmware
Vendor	IBM Corporation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Man-in-the-Middle (MitM) attack

EUVDB-ID: #VU57487

Risk: Medium

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-35550

CWE-ID: CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to the JSSE component in Oracle GraalVM Enterprise Edition offers cipher suites in the wrong way, which causes weaker cipher suites to be offered ahead of the strong ones. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FlashSystem 900 9840-AE3 and 9843-AE3: before 1.5.2.12

FlashSystem 900 9840-AE2 and 9843-AE2: before 1.5.2.12

FlashSystem 900 9840-AE1 and 9843-AE1: before 1.5.2.12

CPE2.3

External links

https://www.ibm.com/blogs/psirt/security-bulletin-vulnerabilities-in-ibm-java-affect-ibm-flashsystem-models-fs900-and-v9000-2/
https://www.ibm.com/support/pages/node/6832958

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.

2) Improper input validation

EUVDB-ID: #VU57496

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-35603

CWE-ID: CWE-20 - Improper input validation