SUSE update for openCryptoki

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

Update the affected package openCryptoki to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.5

Server Applications Module: 15-SP5

SUSE Linux Enterprise Server for SAP Applications 15: SP5

SUSE Linux Enterprise Server 15: SP5

SUSE Linux Enterprise Real Time 15: SP5

SUSE Linux Enterprise High Performance Computing 15: SP5

openSUSE Leap: 15.5

openCryptoki-32bit: before 3.23.0-150500.3.3.13

openCryptoki-32bit-debuginfo: before 3.23.0-150500.3.3.13

openCryptoki-devel-debuginfo: before 3.23.0-150500.3.3.13

openCryptoki-devel: before 3.23.0-150500.3.3.13

openCryptoki-64bit: before 3.23.0-150500.3.3.13

openCryptoki-64bit-debuginfo: before 3.23.0-150500.3.3.13

openCryptoki: before 3.23.0-150500.3.3.13

openCryptoki-debugsource: before 3.23.0-150500.3.3.13

openCryptoki-debuginfo: before 3.23.0-150500.3.3.13

External links

http://www.suse.com/support/update/announcement/2024/suse-su-20241447-1/

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.