Vulnerability Details : CVE-2017-7803
Potential exploit
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.
Products affected by CVE-2017-7803
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-7803
1.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 76 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-7803
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2017-7803
-
The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-7803
-
https://www.debian.org/security/2017/dsa-3968
Debian -- Security Information -- DSA-3968-1 icedoveThird Party Advisory
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1377426
1377426 - (CVE-2017-7803) Other CSP rules ignored when specifying sandbox 'allow-scripts'Exploit;Issue Tracking;Patch
-
https://access.redhat.com/errata/RHSA-2017:2534
RHSA-2017:2534 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://www.mozilla.org/security/advisories/mfsa2017-20/
Security vulnerabilities fixed in Thunderbird 52.3 — MozillaVendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2017-19/
Security vulnerabilities fixed in Firefox ESR 52.3 — MozillaVendor Advisory
-
https://www.debian.org/security/2017/dsa-3928
Debian -- Security Information -- DSA-3928-1 firefox-esrThird Party Advisory
-
https://www.mozilla.org/security/advisories/mfsa2017-18/
Security vulnerabilities fixed in Firefox 55 — MozillaVendor Advisory
-
https://security.gentoo.org/glsa/201803-14
Mozilla Thunderbird: Multiple vulnerabilities (GLSA 201803-14) — Gentoo securityThird Party Advisory
-
http://www.securitytracker.com/id/1039124
Mozilla Firefox Multiple Bugs Let Remote Users Spoof Content, Obtain Potentially Sensitive Information, Deny Service and Execute Arbitrary Code - SecurityTrackerThird Party Advisory;VDB Entry
-
http://www.securityfocus.com/bid/100234
Mozilla Firefox and Firefox ESR Multiple Security Bypass VulnerabilitiesThird Party Advisory;VDB Entry
-
https://access.redhat.com/errata/RHSA-2017:2456
RHSA-2017:2456 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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