what you don't know can hurt you

Ubuntu Security Notice USN-4973-2

Ubuntu Security Notice USN-4973-2
Posted Oct 4, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4973-2 - USN-4973-1 fixed this vulnerability previously, but it was re-introduced in python3.8 in focal because of the SRU in LP: #1928057. This update fixes the problem. It was discovered that the Python stdlib ipaddress API incorrectly handled octal strings. A remote attacker could possibly use this issue to perform a wide variety of attacks, including bypassing certain access restrictions. Various other issues were also addressed.

tags | advisory, remote, python
systems | linux, ubuntu
advisories | CVE-2021-29921
SHA-256 | c196735c92f4db65e944d2ae4d93193aa693a7dcfe98671e5a7a8573a75157f3

Ubuntu Security Notice USN-4973-2

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4973-2
October 04, 2021

python3.8 vulnerability
==========================================================================

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

- Ubuntu 20.04 LTS

Summary:

Python could allow unintended access to network services.

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

Details:

USN-4973-1 fixed this vulnerability previously, but it was re-introduced
in python3.8 in focal because of the SRU in LP: #1928057. This update fixes
the problem.

Original advisory details:

It was discovered that the Python stdlib ipaddress API incorrectly handled
octal strings. A remote attacker could possibly use this issue to perform a
wide variety of attacks, including bypassing certain access restrictions.

Update instructions:

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

Ubuntu 20.04 LTS:
python3.8 3.8.10-0ubuntu1~20.04.1
python3.8-minimal 3.8.10-0ubuntu1~20.04.1

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

References:
https://ubuntu.com/security/notices/USN-4973-2
https://ubuntu.com/security/notices/USN-4973-1
CVE-2021-29921, https://launchpad.net/bugs/1945240

Package Information:
https://launchpad.net/ubuntu/+source/python3.8/3.8.10-0ubuntu1~20.04.1
Login or Register to add favorites

File Archive:

May 2022

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    May 1st
    0 Files
  • 2
    May 2nd
    15 Files
  • 3
    May 3rd
    19 Files
  • 4
    May 4th
    24 Files
  • 5
    May 5th
    15 Files
  • 6
    May 6th
    14 Files
  • 7
    May 7th
    0 Files
  • 8
    May 8th
    0 Files
  • 9
    May 9th
    13 Files
  • 10
    May 10th
    7 Files
  • 11
    May 11th
    99 Files
  • 12
    May 12th
    45 Files
  • 13
    May 13th
    7 Files
  • 14
    May 14th
    0 Files
  • 15
    May 15th
    0 Files
  • 16
    May 16th
    16 Files
  • 17
    May 17th
    26 Files
  • 18
    May 18th
    4 Files
  • 19
    May 19th
    0 Files
  • 20
    May 20th
    0 Files
  • 21
    May 21st
    0 Files
  • 22
    May 22nd
    0 Files
  • 23
    May 23rd
    0 Files
  • 24
    May 24th
    0 Files
  • 25
    May 25th
    0 Files
  • 26
    May 26th
    0 Files
  • 27
    May 27th
    0 Files
  • 28
    May 28th
    0 Files
  • 29
    May 29th
    0 Files
  • 30
    May 30th
    0 Files
  • 31
    May 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close