Bug 1209505 (CVE-2023-28120)

Summary:	VUL-0: CVE-2023-28120: TRACKERBUG: rubygem-activesupport: Possible XSS in SafeBuffer#bytesplice
Product:	[Novell Products] SUSE Security Incidents	Reporter:	Cathy Hu <cathy.hu>
Component:	Incidents	Assignee:	Security Team bot <security-team>
Status:	RESOLVED FIXED	QA Contact:	Security Team bot <security-team>
Severity:	Normal
Priority:	P3 - Medium	CC:	security-team
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/360598/
Whiteboard:	CVSSv3.1:SUSE:CVE-2023-28120:4.2:(AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N)
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---
Bug Depends on:	1209506, 1209507
Bug Blocks:

Description Cathy Hu 2023-03-20 11:36:36 UTC

CVE-2023-28120

There is a vulnerability in ActiveSupport if the new bytesplice method is called on a SafeBuffer with untrusted user input. ActiveSupport uses the SafeBuffer string subclass to tag strings as html_safe after they have been sanitized. When these strings are mutated, the tag should be removed to mark them as no longer being html_safe.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-28120
https://bugzilla.redhat.com/show_bug.cgi?id=2179637

Comment 1 Cathy Hu 2023-09-25 12:02:17 UTC

done, closing