Medium severity · published Jun 11, 2018
CVE-2017-5451
A mechanism to spoof the addressbar through the user interaction on the addressbar and the "onblur" event
4.3
CVSS
1.5%
EPSS
No
On KEV
Description
A mechanism to spoof the addressbar through the user interaction on the addressbar and the "onblur" event. The event could be used by script to affect text display to make the loaded site appear to be different from the one actually loaded within the addressbar. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 53.0; before 52.1.0 · 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
TH
Thunderbird · Mozilla
before 52.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-5451
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-5451
Third Party Advisory
http://www.securityfocus.com/bid/97940
Third Party Advisory
http://www.securitytracker.com/id/1038320
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1106
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1201
Exploit
https://bugzilla.mozilla.org/show_bug.cgi?id=1273537
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-10/
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