Ubuntu update for python3.12

1) Resource exhaustion

EUVDB-ID: #VU101386

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-12254

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 in asyncio._SelectorSocketTransport.writelines(). A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Update the affected package python3.12 to the latest version.

Vulnerable software versions

Ubuntu: 24.04 - 24.10

python3.12-minimal (Ubuntu package): before 3.12.3-1ubuntu0.4

python3.12 (Ubuntu package): before 3.12.3-1ubuntu0.4

CPE2.3

• cpe:2.3:o:canonical:ubuntu:24.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:24.10:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:python3.12-minimal_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:python3.12_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-7219-1

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.