CVE-2017-7787 Information

Description

Same-origin policy protections can be bypassed on pages with embedded iframes during page reloads allowing the iframes to access content on the top level page leading to information disclosure. This vulnerability affects Thunderbird 52.3 Firefox ESR 52.3 and Firefox 55.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/100234 http://www.securitytracker.com/id/1039124 https://access.redhat.com/errata/RHSA-2017:2456 https://access.redhat.com/errata/RHSA-2017:2534 https://bugzilla.mozilla.org/show_bug.cgi?id=1322896 https://security.gentoo.org/glsa/201803-14 https://www.debian.org/security/2017/dsa-3928 https://www.debian.org/security/2017/dsa-3968 https://www.mozilla.org/security/advisories/mfsa2017-18/ https://www.mozilla.org/security/advisories/mfsa2017-19/ https://www.mozilla.org/security/advisories/mfsa2017-20/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5