SUSE update for python-cryptography

1) Error Handling

EUVDB-ID: #VU72036

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-23931

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

Description

The vulnerability allows an attacker to misuse Python API.

The vulnerability exists due to a soundness bug within the Cipher.update_into function, which can allow immutable objects (such as bytes) to be mutated. A malicious programmer can misuse Python API to introduce unexpected behavior into the application.

Mitigation

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

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

python-cryptography-debugsource: before 2.8-7.40.1

python3-cryptography: before 2.8-7.40.1

python3-cryptography-debuginfo: before 2.8-7.40.1

python-cryptography-debuginfo: before 2.8-7.40.1

python-cryptography: before 2.8-7.40.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:python-cryptography-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:python3-cryptography:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:python3-cryptography-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:python-cryptography-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:python-cryptography:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2023/suse-su-20231767-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.