SB2024110452 - Denial of service in Action Mailer
Published: November 4, 2024
Security Bulletin ID
SB2024110452
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Inefficient regular expression complexity (CVE-ID: CVE-2024-47889)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when processing untrusted input with a regular expressions in the block_format helper. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.
Remediation
Install update from vendor's website.
References
- https://github.com/rails/rails/security/advisories/GHSA-h47h-mwp9-c6q6
- https://github.com/rails/rails/commit/0e5694f4d32544532d2301a9b4084eacb6986e94
- https://github.com/rails/rails/commit/3612e3eb3fbafed4f85e1c6ea4c7b6addbb0fdd3
- https://github.com/rails/rails/commit/985f1923fa62806ff676e41de67c3b4552131ab9
- https://github.com/rails/rails/commit/be898cc996986decfe238341d96b2a6573b8fd2e