SUSE update for python-idna

1) Resource exhaustion

EUVDB-ID: #VU88828

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-3651

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources within the idna.encode() function. A remote attacker can pass an overly long domain name to the application and perform a denial of service (DoS) attack.

Mitigation

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

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.1 - 5.5

openSUSE Leap Micro: 5.3 - 5.4

Basesystem Module: 15-SP5

SUSE Linux Enterprise Micro for Rancher: 5.2 - 5.4

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

SUSE Linux Enterprise Desktop 15: SP5

openSUSE Leap: 15.5

python3-idna: before 2.6-150000.3.3.1

External links

http://www.suse.com/support/update/announcement/2024/suse-su-20241439-1/

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.