title: Possible DoS attack using a special crafted URL in email body
description: DoS attack can be performed when an email contains specially designed URL in the body. It can lead to the high CPU usage and cause low quality of service, or in extreme case bring the system to a halt. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.26 and prior versions; 8.0.x version 8.0.13 and prior versions.
problem types: CWE-754: Improper Check for Unusual or Exceptional Conditions
affected:
{
vendor: OTRS AG
product: ((OTRS)) Community Edition
versions:
version: 6.0.1, status: affected, lessThan: 6.0.x*, versionType: custom
}
{
vendor: OTRS AG
product: OTRS
versions:
version: 7.0.x, status: affected, lessThanOrEqual: 7.0.26, versionType: custom
version: 8.0.x, status: affected, lessThanOrEqual: 8.0.13, versionType: custom
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
baseScore: 6.5
baseSeverity: MEDIUM
]
solutions: Update to OTRS 8.0.14 or OTRS 7.0.27.