Medium severity · published Jun 11, 2018
CVE-2017-5383
URLs containing certain unicode glyphs for alternative hyphens and quotes do not properly trigger punycode display, allowing for domain name spoofing attacks in the location bar
5.3
CVSS
2.4%
EPSS
No
On KEV
Description
URLs containing certain unicode glyphs for alternative hyphens and quotes do not properly trigger punycode display, allowing for domain name spoofing attacks in the location bar. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% 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
TH
Thunderbird · Mozilla
before 45.7.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-5383
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-5383
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0190.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0238.html
Third Party Advisory
http://www.securityfocus.com/bid/95769
Third Party Advisory
http://www.securitytracker.com/id/1037693
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1323338
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1324716
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