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GHSA-c33w-pm52-mqvf
No affected components available
Description
Due to the common practice of providing vulnerability details in markdown format, the Dependency-Track frontend renders them using the JavaScript library Showdown. Showdown does not have any XSS countermeasures built in, and versions before 4.6.1 of the Dependency-Track frontend did not encode or sanitize Showdown's output. This made it possible for arbitrary JavaScript included in vulnerability details via HTML attributes to be executed in context of the frontend.
Impact
Actors with the VULNERABILITY_MANAGEMENT permission can exploit this weakness by creating or editing a custom vulnerability and providing XSS payloads in any of the following fields:
- Description
- Details
- Recommendation
- References
The payload will be executed for users with the VIEW_PORTFOLIO permission when browsing to the modified vulnerability's page, for example:
https://dtrack.example.com/vulnerabilities/INTERNAL/INT-jd8u-e8tl-8lwu
Alternatively, malicious JavaScript could be introduced via any of the vulnerability databases mirrored by Dependency-Track (NVD, GitHub Advisories, OSV, OSS Index, VulnDB). However, this attack vector is highly unlikely, and the team is not aware of any occurrence of this happening.
Note The Vulnerability Details element of the Audit Vulnerabilities tab in the project view is not affected.
Patches
The issue has been fixed in frontend version 4.6.1.
Credit
Thanks to GitHub user Waterstraal for finding and responsibly disclosing the issue.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. The attacker needs the user to perform some action, like clicking a link. The vulnerability can affect other systems as well, not just the initial system. There is a low impact on the confidentiality of the information. There is a low impact on the integrity of the data.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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