#VU76487 Inadequate Encryption Strength in IBM HTTP Server - CVE-2023-32342

Vulnerability identifier: #VU76487

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IBM HTTP Server
Server applications / Web servers

Vendor: IBM Corporation

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 updates from vendor's website.

Vulnerable software versions

IBM HTTP Server: 8.5.0.0 - 9.0.5.15

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External links
https://www.ibm.com/support/pages/node/6998037

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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.