High severity · published Jun 11, 2018
CVE-2017-7787
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…
7.5
CVSS
2.3%
EPSS
No
On KEV
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
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 55.0 · source: NVD
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
EL
Enterprise Linux · Redhat
5.0; 6.0; 7.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
5.0; 6.0; 7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
5.0; 6.0; 7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.3; 7.4 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.3; 7.4; 7.5 · source: NVD
EL
Enterprise Linux Workstation · Redhat
5.0; 6.0; 7.0 · source: NVD
FE
Firefox Esr · Mozilla
before 52.3 · source: NVD
TH
Thunderbird · Mozilla
before 52.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-7787
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-7787
Third Party Advisory
http://www.securityfocus.com/bid/100234
Third Party Advisory
http://www.securitytracker.com/id/1039124
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2456
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2534
Exploit
https://bugzilla.mozilla.org/show_bug.cgi?id=1322896
Third Party Advisory
https://security.gentoo.org/glsa/201803-14
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