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Ubuntu Security Notice USN-7015-1
Ubuntu Security Notice 7015-1 - 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. 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.
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Ubuntu Security Notice USN-7015-1
September 16, 2024
python3.10, python3.12, python3.8 vulnerabilities
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
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