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CVE-2020-15701

Published: 13 May 2020

An unhandled exception in check_ignored() in apport/report.py can be exploited by a local attacker to cause a denial of service. If the mtime attribute is a string value in apport-ignore.xml, it will trigger an unhandled exception, resulting in a crash. Fixed in 2.20.1-0ubuntu2.24, 2.20.9-0ubuntu7.16, 2.20.11-0ubuntu27.6.

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
apport
Launchpad, Ubuntu, Debian
xenial
Released (2.20.1-0ubuntu2.24)
bionic
Released (2.20.9-0ubuntu7.16)
eoan Ignored
(end of life)
focal
Released (2.20.11-0ubuntu27.6)
trusty
Released (2.14.1-0ubuntu3.29+esm5)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needs triage

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H