Bug 1198713 (CVE-2022-29536)

Summary:	VUL-0: CVE-2022-29536: epiphany: client buffer overflow via a long page title
Product:	[openSUSE] openSUSE Distribution	Reporter:	Hu <cathy.hu>
Component:	Security	Assignee:	openSUSE GNOME <os.gnome.maintainers>
Status:	NEW ---	QA Contact:	Security Team bot <security-team>
Severity:	Normal
Priority:	P3 - Medium
Version:	Leap 15.4
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/329674/
Whiteboard:
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description Hu 2022-04-21 06:29:59 UTC

rh#2077323

In GNOME Epiphany before 41.4 and 42.x before 42.2, an HTML document can trigger a client buffer overflow (in ephy_string_shorten in the UI process) via a long page title. The issue occurs because the number of bytes for a UTF-8 ellipsis character is not properly considered.

https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1106

References:
https://bugzilla.redhat.com/show_bug.cgi?id=2077323
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-29536
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-29536
http://www.cvedetails.com/cve/CVE-2022-29536/
https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1106

Comment 1 Hu 2022-04-21 06:31:10 UTC

Affected:
- openSUSE:Backports:SLE-15-SP3/epiphany        3.34.4
- openSUSE:Backports:SLE-15-SP4/epiphany        40.3
- openSUSE:Factory/epiphany                     42.0