title: Unhandled exception in apport
description: 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.
problem types: CWE-755 Improper Handling of Exceptional Conditions
affected:
{
product: apport
vendor: Canonical
versions:
lessThan: 2.20.1-0ubuntu2.24, status: affected, version: 2.20.1, versionType: custom
lessThan: 2.20.9-0ubuntu7.16, status: affected, version: 2.20.9, versionType: custom
lessThan: 2.20.11-0ubuntu27.6, status: affected, version: 2.20.11, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 5.5
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
version: 3.1
]