SB2024071643 - Inefficient regular expression complexity in Wagtail
Published: July 16, 2024
Security Bulletin ID
SB2024071643
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-2024-39317)
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 within parse_query_string. A remote user 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/wagtail/wagtail/security/advisories/GHSA-jmp3-39vp-fwg8
- https://github.com/wagtail/wagtail/commit/31b1e8532dfb1b70d8d37d22aff9cbde9109cdf2
- https://github.com/wagtail/wagtail/commit/3c941136f79c48446e3858df46e5b668d7f83797
- https://github.com/wagtail/wagtail/commit/b783c096b6d4fd2cfc05f9137a0be288850e99a2