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Mageia 8 Security Update: 2022-0053 Addresses Moderate Epiphany XSS Issue

mageia
Calendar Grey February 9, 2022
Dist Mageia Esm H88
The latest Epiphany updates tackle cross-origin script vulnerabilities for Mageia 8, complete with links to relevant CVEs.
XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an about: page, as demonstrated by ephy-about:overview when a user visits an XSS payload page often e...

Summary

XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an about: page, as demonstrated by ephy-about:overview when a user visits an XSS payload page often enough to place that page on the Most Visited list (CVE-2021-45085).
XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 because a server's suggested_filename is used as the pdf_name value in PDF.js (CVE-2021-45086).
XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 when View Source mode or Reader mode is used, as demonstrated by a a page title (CVE-2021-45087).
XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an error page (CVE-2021-45088).

References

- https://bugs.mageia.org/show_bug.cgi?id=29886

- https://lists.debian.org/debian-security-announce/2022/msg00008.html

- https://www.cve.org/CVERecord?id=CVE-2021-45085

- https://www.cve.org/CVERecord?id=CVE-2021-45086

- https://www.cve.org/CVERecord?id=CVE-2021-45087

- https://www.cve.org/CVERecord?id=CVE-2021-45088

Topics%20covered

Topics Covered

security advisory security issue software update XSS web browser package fix Mageia

Resolution

SRPMS

- 8/core/epiphany-3.38.2-1.1.mga8

Severity
important
Lowest
Low
Medium
High
Critical

Publication date: 09 Feb 2022
URL: https://advisories.mageia.org/MGASA-2022-0053.html
Type: security
CVE: CVE-2021-45085, CVE-2021-45086, CVE-2021-45087, CVE-2021-45088

Topics%20covered

Topics Covered

security advisory security issue software update XSS web browser package fix Mageia

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