Observable discrepancy in IBM AIX



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-0914
CWE-ID CWE-203
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		IBM AIX
Operating systems & Components / Operating system

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Observable discrepancy

EUVDB-ID: #VU87279

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-2024-0914

CWE-ID: CWE-203 - Observable discrepancy

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a timing side-channel attack.

The vulnerability exists due to observable discrepancy when processing RSA PKCS#1 v1.5 padded ciphertexts. A remote attacker can perform unauthorized RSA ciphertext decryption or signing, even without access to the corresponding private key.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM AIX: 7.2 - 7.3

CPE2.3 External links

http://www.ibm.com/support/pages/node/7155796


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.



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