Medium severity · published Jun 11, 2018
CVE-2018-5168
Sites can bypass security checks on permissions to install lightweight themes by manipulating the "baseURI" property of the theme element
5.3
CVSS
2.3%
EPSS
No
On KEV
Description
Sites can bypass security checks on permissions to install lightweight themes by manipulating the "baseURI" property of the theme element. This could allow a malicious site to install a theme without user interaction which could contain offensive or embarrassing images. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.
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)2.3% · 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 52.8.0; before 60.0 · source: NVD
DL
Debian Linux · Debian
7.0; 8.0; 9.0 · 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
7.6 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.5; 7.6 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Workstation · Redhat
6.0; 7.0 · source: NVD
TH
Thunderbird · Mozilla
before 52.8.0 · source: NVD
TE
Thunderbird Esr · Mozilla
before 52.8.0 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 17.10; 18.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-5168
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-5168
Third Party Advisory
http://www.securityfocus.com/bid/104136
Third Party Advisory
http://www.securitytracker.com/id/1040896
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1414
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1415
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1725
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1726
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