1. Ubuntu Security Notices
  2. USN-4449-1

USN-4449-1: Apport vulnerabilities

Publication date

4 August 2020

Overview

Several security issues were fixed in Apport.

Releases

Packages

  • apport - automatically generate crash reports for debugging

Details

Ryota Shiga working with Trend Micro´s Zero Day Initiative, 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 working with Trend Micro´s Zero Day Initiative, discovered that
Apport incorrectly implemented certain checks. A local attacker could use
this issue to escalate privileges and run arbitrary code. (CVE-2020-15702)

Ryota Shiga working with Trend Micro´s Zero Day Initiative, 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 working with Trend Micro´s Zero Day Initiative, 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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
20.04 focal apport –  2.20.11-0ubuntu27.6
python3-apport –  2.20.11-0ubuntu27.6
18.04 bionic apport –  2.20.9-0ubuntu7.16
python-apport –  2.20.9-0ubuntu7.16
python3-apport –  2.20.9-0ubuntu7.16
16.04 xenial apport –  2.20.1-0ubuntu2.24
python-apport –  2.20.1-0ubuntu2.24
python3-apport –  2.20.1-0ubuntu2.24

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References

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