SB2023092026 - Multiple vulnerabilities in Mastodon
Published: September 20, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Use of Incorrectly-Resolved Name or Reference (CVE-ID: CVE-2023-42451)
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to invalid domain name normalization. A remote attacker can spoof domains they do not own.
2) Stored cross-site scripting (CVE-ID: CVE-2023-42452)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in the translation feature. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
3) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2023-42450)
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
Remediation
Install update from vendor's website.
References
- https://github.com/mastodon/mastodon/commit/eeab3560fc0516070b3fb97e089b15ecab1938c8
- https://github.com/mastodon/mastodon/security/advisories/GHSA-v3xf-c9qf-j667
- https://github.com/mastodon/mastodon/security/advisories/GHSA-2693-xr3m-jhqr
- https://github.com/mastodon/mastodon/commit/ff32475f5f4a84ebf9619e7eef5bf8b4c075d0e2
- https://github.com/mastodon/mastodon/commit/94893cf24fc95b32cc7a756262acbe008c20a9d2
- https://github.com/mastodon/mastodon/security/advisories/GHSA-hcqf-fw2r-52g4