Bug 2228517 (CVE-2023-3364)

Summary: CVE-2023-3364 gitlab: ReDoS when sending crafted payloads which use AutolinkFilter
Product: [Other] Security Response Reporter: Borja Tarraso <btarraso>
Component: vulnerabilityAssignee: Nobody <nobody>
Status: CLOSED NOTABUG QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: dfreiber, jburrell, rogbas, vkumar
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Fixed In Version: gitlab 16.0.8, gitlab 16.1.3, gitlab 16.2.2 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2023-10-09 13:16:36 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On:    
Bug Blocks: 2228488    

Description Borja Tarraso 2023-08-02 14:14:14 UTC
An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.14 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A Regular Expression Denial of Service was possible via sending crafted payloads which use AutolinkFilter to the preview_markdown endpoint.