CVE-2017-7803Improper Privilege Management in Mozilla Firefox

Severity
7.5HIGHNVD
EPSS
1.1%
top 21.95%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJun 11
Latest updateMay 13

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:NExploitability: 3.9 | Impact: 3.6

Affected Packages8 packages

CVEListV5mozilla/firefoxunspecified55
NVDmozilla/firefox< 52.3.0+1
CVEListV5mozilla/firefox_esrunspecified52.3
CVEListV5mozilla/thunderbirdunspecified52.3
NVDmozilla/thunderbird< 52.3.0

Also affects: Debian Linux 8.0, 9.0, Enterprise Linux 7.4, 7.5

Patches

🔴Vulnerability Details

5
GHSA
GHSA-6465-6pfq-mj4h: When a page's content security policy (CSP) header contains a "sandbox" directive, other directives are ignored2022-05-13
OSV
CVE-2017-7803: When a page's content security policy (CSP) header contains a "sandbox" directive, other directives are ignored2018-06-11
CVEList
CVE-2017-7803: When a page's content security policy (CSP) header contains a "sandbox" directive, other directives are ignored2018-06-11
OSV
thunderbird vulnerabilities2017-09-14
OSV
firefox vulnerabilities2017-08-15

📋Vendor Advisories

4
Ubuntu
Thunderbird vulnerabilities2017-09-14
Ubuntu
Firefox vulnerabilities2017-08-15
Red Hat
Mozilla: CSP directives improperly applied with sandbox flag in iframes (MFSA 2017-19)2017-08-08
Debian
CVE-2017-7803: firefox - When a page's content security policy (CSP) header contains a "sandbox" directiv...2017

💬Community

1
Bugzilla
CVE-2017-7803 Mozilla: CSP directives improperly applied with sandbox flag in iframes (MFSA 2017-19)2017-08-08
CVE-2017-7803 — Improper Privilege Management | cvebase