Bug 1198713 - (CVE-2022-29536) VUL-0: CVE-2022-29536: epiphany: client buffer overflow via a long page title
(CVE-2022-29536)
VUL-0: CVE-2022-29536: epiphany: client buffer overflow via a long page title
Status: NEW
Classification: openSUSE
Product: openSUSE Distribution
Classification: openSUSE
Component: Security
Leap 15.4
Other Other
: P3 - Medium : Normal (vote)
: ---
Assigned To: openSUSE GNOME
Security Team bot
https://smash.suse.de/issue/329674/
:
Depends on:
Blocks:
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Reported: 2022-04-21 06:29 UTC by Hu
Modified: 2022-04-21 07:15 UTC (History)
0 users

See Also:
Found By: Security Response Team
Services Priority:
Business Priority:
Blocker: ---
Marketing QA Status: ---
IT Deployment: ---


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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