High severity · published Jun 11, 2018
CVE-2017-7798
The Developer Tools feature suffers from a XUL injection vulnerability due to improper sanitization of the web page source code
8.8
CVSS
2.1%
EPSS
No
On KEV
Description
The Developer Tools feature suffers from a XUL injection vulnerability due to improper sanitization of the web page source code. In the worst case, this could allow arbitrary code execution when opening a malicious page with the style editor tool. This vulnerability affects Firefox ESR < 52.3 and Firefox < 55.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 81% 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; before 52.3.0 · source: NVD
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
EL
Enterprise Linux · Redhat
6.0; 7.0 · 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
7.3; 7.4 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.3; 7.4; 7.5 · source: NVD
EL
Enterprise Linux Workstation · Redhat
6.0; 7.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-7798
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-7798
Third Party Advisory
http://www.securityfocus.com/bid/100198
Third Party Advisory
http://www.securitytracker.com/id/1039124
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2456
Issue Tracking
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1371586%2C1372112
Third Party Advisory
https://www.debian.org/security/2017/dsa-3928
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-18/
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