Ubuntu Security Notice USN-7015-1

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Ubuntu Security Notice USN-7015-1
September 16, 2024

python3.10, python3.12, python3.8 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 24.04 LTS
– Ubuntu 22.04 LTS
– Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in Python.

Software Description:
– python3.12: An interactive high-level object-oriented language
– python3.10: An interactive high-level object-oriented language
– python3.8: An interactive high-level object-oriented language

Details:

It was discovered that the Python email module incorrectly parsed email
addresses that contain special characters. A remote attacker could possibly
use this issue to bypass certain protection mechanisms. (CVE-2023-27043)

It was discovered that Python allowed excessive backtracking while parsing
certain tarfile headers. A remote attacker could possibly use this issue to
cause Python to consume resources, leading to a denial of service.
(CVE-2024-6232)

It was discovered that the Python email module incorrectly quoted newlines
for email headers. A remote attacker could possibly use this issue to
perform header injection. (CVE-2024-6923)

It was discovered that the Python http.cookies module incorrectly handled
parsing cookies that contained backslashes for quoted characters. A remote
attacker could possibly use this issue to cause Python to consume
resources, leading to a denial of service. (CVE-2024-7592)

It was discovered that the Python zipfile module incorrectly handled
certain malformed zip files. A remote attacker could possibly use this
issue to cause Python to stop responding, resulting in a denial of service.
(CVE-2024-8088)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.04 LTS
python3.12 3.12.3-1ubuntu0.2
python3.12-minimal 3.12.3-1ubuntu0.2

Ubuntu 22.04 LTS
python3.10 3.10.12-1~22.04.6
python3.10-minimal 3.10.12-1~22.04.6

Ubuntu 20.04 LTS
python3.8 3.8.10-0ubuntu1~20.04.12
python3.8-minimal 3.8.10-0ubuntu1~20.04.12

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-7015-1
CVE-2023-27043, CVE-2024-6232, CVE-2024-6923, CVE-2024-7592,
CVE-2024-8088

Package Information:
https://launchpad.net/ubuntu/+source/python3.12/3.12.3-1ubuntu0.2
https://launchpad.net/ubuntu/+source/python3.10/3.10.12-1~22.04.6
https://launchpad.net/ubuntu/+source/python3.8/3.8.10-0ubuntu1~20.04.12