High severity · published Jun 11, 2018
CVE-2017-5386
WebExtension scripts can use the "data:" protocol to affect pages loaded by other web extensions using this protocol, leading to potential data disclosure or privilege escalation…
7.3
CVSS
2.2%
EPSS
No
On KEV
Description
WebExtension scripts can use the "data:" protocol to affect pages loaded by other web extensions using this protocol, leading to potential data disclosure or privilege escalation in affected extensions. This vulnerability affects Firefox ESR < 45.7 and Firefox < 51.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · 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 51.0; before 45.7.0 · source: NVD
DL
Debian Linux · Debian
8.0 · 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
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-5386
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-5386
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0190.html
Third Party Advisory
http://www.securityfocus.com/bid/95769
Third Party Advisory
http://www.securitytracker.com/id/1037693
Exploit
https://bugzilla.mozilla.org/show_bug.cgi?id=1319070
Third Party Advisory
https://security.gentoo.org/glsa/201702-22
Third Party Advisory
https://www.debian.org/security/2017/dsa-3771
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