CVE-2017-7823

Summary

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.

Affected Software

Weaknesses

• CSP sandbox directive did not create a unique origin

ADP Enrichment

CVE Program Container

Additional References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1396320
• http://www.securityfocus.com/bid/101059
• https://lists.debian.org/debian-lts-announce/2017/11/msg00000.html
• https://www.mozilla.org/security/advisories/mfsa2017-22/
• http://www.securitytracker.com/id/1039465
• https://access.redhat.com/errata/RHSA-2017:2831
• https://access.redhat.com/errata/RHSA-2017:2885
• https://www.mozilla.org/security/advisories/mfsa2017-21/
• https://www.debian.org/security/2017/dsa-4014
• https://www.mozilla.org/security/advisories/mfsa2017-23/
• https://www.debian.org/security/2017/dsa-3987
• https://security.gentoo.org/glsa/201803-14

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1396320
• http://www.securityfocus.com/bid/101059
• https://lists.debian.org/debian-lts-announce/2017/11/msg00000.html
• https://www.mozilla.org/security/advisories/mfsa2017-22/
• http://www.securitytracker.com/id/1039465
• https://access.redhat.com/errata/RHSA-2017:2831
• https://access.redhat.com/errata/RHSA-2017:2885
• https://www.mozilla.org/security/advisories/mfsa2017-21/
• https://www.debian.org/security/2017/dsa-4014
• https://www.mozilla.org/security/advisories/mfsa2017-23/
• https://www.debian.org/security/2017/dsa-3987
• https://security.gentoo.org/glsa/201803-14

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