National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-1000154 Detail

Current Description

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.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.1 MEDIUM
Vector: AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N (V3.0 legend)
Impact Score: 2.7
Exploitability Score: 2.8


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/zammad/zammad/issues/1869 Third Party Advisory
https://zammad.com/news/release-2-4 Vendor Advisory
https://zammad.com/news/security-advisory-zaa-2018-01 Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CWE-79)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.3.0


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-1000154
NVD Published Date:
04/05/2018
NVD Last Modified:
05/10/2018