what you don't know can hurt you

Ubuntu Security Notice USN-4449-1

Ubuntu Security Notice USN-4449-1
Posted Aug 5, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4449-1 - Ryota Shiga discovered that Apport incorrectly dropped privileges when making certain D-Bus calls. A local attacker could use this issue to read arbitrary files. Seong-Joong Kim discovered that Apport incorrectly parsed configuration files. A local attacker could use this issue to cause Apport to crash, resulting in a denial of service. Ryota Shiga discovered that Apport incorrectly implemented certain checks. A local attacker could use this issue to escalate privileges and run arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2020-11936, CVE-2020-15701, CVE-2020-15702
MD5 | ccdc98754ed6d235718171b799686bca

Ubuntu Security Notice USN-4449-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4449-1
August 04, 2020

apport vulnerabilities
==========================================================================

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

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in Apport.

Software Description:
- apport: automatically generate crash reports for debugging

Details:

Ryota Shiga discovered that Apport incorrectly dropped privileges when
making certain D-Bus calls. A local attacker could use this issue to read
arbitrary files. (CVE-2020-11936)

Seong-Joong Kim discovered that Apport incorrectly parsed configuration
files. A local attacker could use this issue to cause Apport to crash,
resulting in a denial of service. (CVE-2020-15701)

Ryota Shiga discovered that Apport incorrectly implemented certain checks.
A local attacker could use this issue to escalate privileges and run
arbitrary code. (CVE-2020-15702)

Update instructions:

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

Ubuntu 20.04 LTS:
apport 2.20.11-0ubuntu27.6
python3-apport 2.20.11-0ubuntu27.6

Ubuntu 18.04 LTS:
apport 2.20.9-0ubuntu7.16
python-apport 2.20.9-0ubuntu7.16
python3-apport 2.20.9-0ubuntu7.16

Ubuntu 16.04 LTS:
apport 2.20.1-0ubuntu2.24
python-apport 2.20.1-0ubuntu2.24
python3-apport 2.20.1-0ubuntu2.24

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

References:
https://usn.ubuntu.com/4449-1
CVE-2020-11936, CVE-2020-15701, CVE-2020-15702

Package Information:
https://launchpad.net/ubuntu/+source/apport/2.20.11-0ubuntu27.6
https://launchpad.net/ubuntu/+source/apport/2.20.9-0ubuntu7.16
https://launchpad.net/ubuntu/+source/apport/2.20.1-0ubuntu2.24
Login or Register to add favorites

File Archive:

September 2020

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

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2020 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close