High severity · published Jun 11, 2018
CVE-2017-7803
When a page's content security policy (CSP) header contains a "sandbox" directive, other directives are ignored
7.5
CVSS
2%
EPSS
No
On KEV
Description
When a page's content security policy (CSP) header contains a "sandbox" directive, other directives are ignored. This results in the incorrect enforcement of CSP. 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:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 52.3.0; before 55.0 · source: NVD
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.4 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.4; 7.5 · source: NVD
EL
Enterprise Linux Workstation · Redhat
6.0; 7.0 · source: NVD
TH
Thunderbird · Mozilla
before 52.3.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-7803
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-7803
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=1377426
Third Party Advisory
https://security.gentoo.org/glsa/201803-14
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