SUSE update for python-pycryptodomex

1) Observable discrepancy

EUVDB-ID: #VU85747

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-2023-52323

CWE-ID: CWE-203 - Observable discrepancy

Exploit availability: No

Description

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

The vulnerability exists due to observable discrepancy, which allows the side-channel leakage for OAEP decryption. A remote attacker can perform a Manger attack and gain access to sensitive information.

Mitigation

Update the affected package python-pycryptodomex to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.5

SUSE Package Hub 15: 15-SP5

SUSE Linux Enterprise Server for SAP Applications 15: SP5

SUSE Linux Enterprise Server 15: SP3 - SP5

SUSE Linux Enterprise Real Time 15: SP5

SUSE Linux Enterprise High Performance Computing 15: SP5

SUSE Linux Enterprise Desktop 15: SP5

openSUSE Leap: 15.3 - 15.5

SUSE Enterprise Storage: 7.1

python2-pycryptodomex-debuginfo: before 3.9.9-150300.3.3.1

python2-pycryptodomex: before 3.9.9-150300.3.3.1

python3-pycryptodomex-debuginfo: before 3.9.9-150300.3.3.1

python-pycryptodomex-debuginfo: before 3.9.9-150300.3.3.1

python-pycryptodomex-debugsource: before 3.9.9-150300.3.3.1

python3-pycryptodomex: before 3.9.9-150300.3.3.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_micro:5.5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_package_hub_15:15-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap:15.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap:15.5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_enterprise_storage:7.1:*:*:*:*:*:*:*
• cpe:2.3:a:suse:python2-pycryptodomex-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python2-pycryptodomex:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-pycryptodomex-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-pycryptodomex-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python-pycryptodomex-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:python3-pycryptodomex:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2024/suse-su-20240557-1/

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.