IBM FOS firmware update for OpenSSL

1) Cryptographic issues

EUVDB-ID: #VU82349

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-2023-5363

CWE-ID: CWE-310 - Cryptographic Issues

Exploit availability: No

Description

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

The vulnerability exists due to an error when processing key and initialisation vector lengths in EVP_EncryptInit_ex2(), EVP_DecryptInit_ex2() and EVP_CipherInit_ex2() function. A remote attacker can gain access to potentially sensitive information.

The following ciphers and cipher modes are impacted: RC2, RC4, RC5, CCM, GCM and OCB.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FOS Firmware: 9.2.0a - 9.2.1

CPE2.3

• cpe:2.3:h:ibm_corporation:fos_firmware:9.2.0a:*:*:*:*:*:*:*
• cpe:2.3:h:ibm_corporation:fos_firmware:9.2.0b:*:*:*:*:*:*:*
• cpe:2.3:h:ibm_corporation:fos_firmware:9.2.1a:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/7185618

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.