CVE-2017-7823

medium

Description

The content security policy (CSP) "sandbox" directive did not create a unique origin for the document, causing it to behave as if the "allow-same-origin" keyword were always specified. This could allow a Cross-Site Scripting (XSS) attack to be launched from unsafe content. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.

References

https://access.redhat.com/errata/RHSA-2017:2831

https://access.redhat.com/errata/RHSA-2017:2885

https://bugzilla.mozilla.org/show_bug.cgi?id=1396320

https://lists.debian.org/debian-lts-announce/2017/11/msg00000.html

https://security.gentoo.org/glsa/201803-14

https://www.debian.org/security/2017/dsa-3987

https://www.debian.org/security/2017/dsa-4014

https://www.mozilla.org/security/advisories/mfsa2017-21/

https://www.mozilla.org/security/advisories/mfsa2017-22/

https://www.mozilla.org/security/advisories/mfsa2017-23/

http://www.securitytracker.com/id/1039465

Details

Source: Mitre, NVD

Published: 2018-06-11

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Severity: Medium