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Ubuntu Security Notice USN-7015-2
Ubuntu Security Notice 7015-2 - USN-7015-1 fixed several vulnerabilities in Python. This update provides one of the corresponding updates for python2.7 for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS, and a second for python3.5 for Ubuntu 16.04 LTS. 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. This issue only affected python3.5 for Ubuntu 16.04 LTS
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Ubuntu Security Notice USN-7015-2
September 19, 2024
python2.7, python3.5 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in Python.
Software Description:
- python2.7: An interactive high-level object-oriented language
- python3.5: An interactive high-level object-oriented language
Details:
USN-7015-1 fixed several vulnerabilities in Python. This update provides
one of the corresponding updates for python2.7 for Ubuntu 16.04 LTS,
Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS, and a second for
python3.5 for Ubuntu 16.04 LTS.
Original advisory details:
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. This issue only affected python3.5 for
Ubuntu 16.04 LTS (CVE-2024-6232)
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)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 22.04 LTS
python2.7 2.7.18-13ubuntu1.2+esm2
Available with Ubuntu Pro
python2.7-minimal 2.7.18-13ubuntu1.2+esm2
Available with Ubuntu Pro
Ubuntu 20.04 LTS
python2.7 2.7.18-1~20.04.4+esm2
Available with Ubuntu Pro
python2.7-minimal 2.7.18-1~20.04.4+esm2
Available with Ubuntu Pro
Ubuntu 18.04 LTS
python2.7 2.7.17-1~18.04ubuntu1.13+esm5
Available with Ubuntu Pro
python2.7-minimal 2.7.17-1~18.04ubuntu1.13+esm5
Available with Ubuntu Pro
Ubuntu 16.04 LTS
python2.7 2.7.12-1ubuntu0~16.04.18+esm10
Available with Ubuntu Pro
python2.7-minimal 2.7.12-1ubuntu0~16.04.18+esm10
Available with Ubuntu Pro
python3.5 3.5.2-2ubuntu0~16.04.13+esm14
Available with Ubuntu Pro
python3.5-minimal 3.5.2-2ubuntu0~16.04.13+esm14
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-7015-2
https://ubuntu.com/security/notices/USN-7015-2
https://ubuntu.com/security/notices/USN-7015-1
https://ubuntu.com/security/notices/USN-7015-1
CVE-2024-6232, CVE-2024-7592
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