Inadequate encryption strength in IBM Security Directory Server Products

1) Inadequate Encryption Strength

EUVDB-ID: #VU76487

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-32342

CWE-ID: CWE-326 - Inadequate Encryption Strength

Exploit availability: No

Description

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

The vulnerability exists due to IBM GSKit is using weak cryptographic algorithms. A remote attacker can send an overly large number of trial messages for decryption and perform a timing-based side channel attack against the RSA Decryption implementation.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Security Verify Bridge for Directory Sync: 10.0.0

IBM Security Directory Server: before 6.4.0.28

IBM Security Directory Suite: before 8.0.1.21

CPE2.3

• cpe:2.3:a:ibm_corporation:ibm_security_verify_bridge_for_directory_sync:10.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_security_directory_server:*:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_security_directory_suite:*:*:*:*:*:*:*:*

External links

http://www.ibm.com/support/pages/node/7144999

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.