Zammad up to 2.3.0 cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

A vulnerability has been found in Zammad up to 2.3.0 and classified as problematic. Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. As an impact it is known to affect integrity. The summary by CVE is:

Zammad GmbH Zammad version 2.3.0 and earlier contains a Improper Neutralization of Script-Related HTML Tags in a Web Page (CWE-80) vulnerability in the subject of emails which are not html quoted in certain cases. This can result in the embedding and execution of java script code on users browser. This attack appear to be exploitable via the victim openning a ticket. This vulnerability appears to have been fixed in 2.3.1, 2.2.2 and 2.1.3.

The bug was discovered 03/29/2018. The weakness was shared 04/05/2018 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2018-1000154 since 04/05/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.3.1, 2.2.2 or 2.1.3 eliminates this vulnerability.

The entries VDB-37949 and VDB-137856 are related to this item.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 4.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Zammad 2.3.1/2.2.2/2.1.3

Timelineinfo

03/29/2018 🔍
04/05/2018 +7 days 🔍
04/05/2018 +0 days 🔍
04/05/2018 +0 days 🔍
04/06/2018 +1 days 🔍
02/27/2023 +1788 days 🔍

Sourcesinfo

Advisory: 1869
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1000154 (🔍)
See also: 🔍

Entryinfo

Created: 04/06/2018 10:08 AM
Updated: 02/27/2023 09:12 AM
Changes: 04/06/2018 10:08 AM (56), 01/22/2020 04:58 PM (2), 02/27/2023 09:12 AM (4)
Complete: 🔍
Cache ID: 35:287:40

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