Open Ticket Request System up to 4.0.31/5.0.29/6.0.10 Email input validation

Summaryinfo

A vulnerability was found in Open Ticket Request System up to 4.0.31/5.0.29/6.0.10. It has been declared as problematic. Impacted is an unknown function of the component Email Handler. The manipulation results in input validation. This vulnerability is identified as CVE-2018-16587. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Open Ticket Request System up to 4.0.31/5.0.29/6.0.10 (Ticket Tracking Software). Affected is some unknown processing of the component Email Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on integrity, and availability. CVE summarizes:

In Open Ticket Request System (OTRS) 4.0.x before 4.0.32, 5.0.x before 5.0.30, and 6.0.x before 6.0.11, an attacker could send a malicious email to an OTRS system. If a user with admin permissions opens it, it causes deletions of arbitrary files that the OTRS web server user has write access to.

The bug was discovered 09/03/2018. The weakness was released 09/28/2018 (Website). The advisory is shared for download at lists.debian.org. This vulnerability is traded as CVE-2018-16587 since 09/06/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 23 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 117714 (Debian DLA-1521-1 : otrs2 security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176506 (Debian Security Update for otrs2 (DSA 4317-1)).

Upgrading to version 4.0.32, 5.0.30 or 6.0.11 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (117714). Entries connected to this vulnerability are available at VDB-122587 and VDB-124535. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Ticket Tracking Software

Name

• Open Ticket Request System

Version

• 4.0.0
• 4.0.1
• 4.0.2
• 4.0.3
• 4.0.4
• 4.0.5
• 4.0.6
• 4.0.7
• 4.0.8
• 4.0.9
• 4.0.10
• 4.0.11
• 4.0.12
• 4.0.13
• 4.0.14
• 4.0.15
• 4.0.16
• 4.0.17
• 4.0.18
• 4.0.19
• 4.0.20
• 4.0.21
• 4.0.22
• 4.0.23
• 4.0.24
• 4.0.25
• 4.0.26
• 4.0.27
• 4.0.28
• 4.0.29
• 4.0.30
• 4.0.31
• 5.0.0
• 5.0.1
• 5.0.2
• 5.0.3
• 5.0.4
• 5.0.5
• 5.0.6
• 5.0.7
• 5.0.8
• 5.0.9
• 5.0.10
• 5.0.11
• 5.0.12
• 5.0.13
• 5.0.14
• 5.0.15
• 5.0.16
• 5.0.17
• 5.0.18
• 5.0.19
• 5.0.20
• 5.0.21
• 5.0.22
• 5.0.23
• 5.0.24
• 5.0.25
• 5.0.26
• 5.0.27
• 5.0.28
• 5.0.29
• 6.0.0
• 6.0.1
• 6.0.2
• 6.0.3
• 6.0.4
• 6.0.5
• 6.0.6
• 6.0.7
• 6.0.8
• 6.0.9
• 6.0.10

License

• free

CPE 2.3info

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CPE 2.2info

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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