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Ubuntu 14.04 ESM: USN-4127-2 Moderate: Python Multiple Issues

ubuntu
Calendar Grey September 10, 2019
Dist Ubuntu Esm H88
Numerous vulnerabilities have been fixed for Python on Ubuntu, affecting various Extended Security Maintenance (ESM) versions. It's essential to review the key patches and improvements made
Several security issues were fixed in Python.

Summary

Several security issues were fixed in Python.

Software Description:

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

- python3.4: An interactive high-level object-oriented language

Details:

USN-4127-1 fixed several vulnerabilities in Python. This update provides

the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that Python incorrectly handled certain pickle files. An

attacker could possibly use this issue to consume memory, leading to a

denial of service. This issue only affected Ubuntu 14.04 ESM. (CVE-2018-20406)

It was discovered that Python incorrectly validated the domain when

handling cookies. An attacker could possibly trick Python into sending

cookies to the wrong domain. (CVE-2018-20852)

Jonathan Birch and Panayiotis Panayiotou discovered that Python incorrectly

handled Unicode encoding during NFKC normalization. An attacker could

possibly use this issue to obtain sensitive informa...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu python cookies issue pickling issue X509 certificate issue

Update Instructions

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

Ubuntu 14.04 ESM:
  python2.7                       2.7.6-8ubuntu0.6+esm2
  python2.7-minimal               2.7.6-8ubuntu0.6+esm2
  python3.4                       3.4.3-1ubuntu1~14.04.7+esm2
  python3.4-minimal               3.4.3-1ubuntu1~14.04.7+esm2

Ubuntu 12.04 ESM:
  python2.7                       2.7.3-0ubuntu3.14
  python2.7-minimal               2.7.3-0ubuntu3.14

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

References

https://ubuntu.com/security/notices/USN-4127-2

https://ubuntu.com/security/notices/USN-4127-1

CVE-2018-20406, CVE-2018-20852, CVE-2019-10160, CVE-2019-5010,

CVE-2019-9636, CVE-2019-9740, CVE-2019-9947, CVE-2019-9948

September 10, 2019

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu python cookies issue pickling issue X509 certificate issue

Package Information

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