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==========================================================================
Ubuntu Security Notice USN-7180-1
January 06, 2025

python2.7 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in Python 2.7.

Software Description:
- python2.7: An interactive high-level object-oriented language

Details:

It was discovered that Python incorrectly handled certain scripts.
An attacker could possibly use this issue to execute arbitrary code
or cause a crash. (CVE-2022-48560)

It was discovered that Python did not properly handle XML entity
declarations in plist files. An attacker could possibly use this
vulnerability to perform an XML External Entity (XXE) injection,
resulting in a denial of service or information disclosure.
(CVE-2022-48565)

It was discovered that Python did not properly provide constant-time
processing for a crypto operation. An attacker could possibly use this
issue to perform a timing attack and recover sensitive information.
(CVE-2022-48566)

It was discovered that Python incorrectly handled certain inputs. If a
user or an automated system were tricked into running a specially
crafted input, a remote attacker could possibly use this issue to cause a
denial of service. (CVE-2023-24329)

It was discovered that Python instances of ssl.SSLSocket were vulnerable
to a bypass of the TLS handshake. An attacker could possibly use this
issue to cause applications to treat unauthenticated received data before
TLS handshake as authenticated data after TLS handshake.
(CVE-2023-40217)

Update instructions:

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

Ubuntu 22.04 LTS
  python2.7                       2.7.18-13ubuntu1.5

Ubuntu 20.04 LTS
  python2.7                       2.7.18-1~20.04.7

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

References:
  https://ubuntu.com/security/notices/USN-7180-1
  CVE-2022-48560, CVE-2022-48565, CVE-2022-48566, CVE-2023-24329,
  CVE-2023-40217

Package Information:
  https://launchpad.net/ubuntu/+source/python2.7/2.7.18-13ubuntu1.5
  https://launchpad.net/ubuntu/+source/python2.7/2.7.18-1~20.04.7


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