CVE-2018-5168
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Mozilla Firefox
PublishedJun 11, 2018
First seenJun 11, 2018
How to fix
Update
- mozilla firefox52.8.0, 60.0 or later
- mozilla thunderbird52.8.0 or later
- mozilla thunderbird_esr52.8.0 or later
Vendor advisories
- access.redhat.com/errata/RHSA-2018:1415
- security.gentoo.org/glsa/201810-01
- access.redhat.com/errata/RHSA-2018:1726
- access.redhat.com/errata/RHSA-2018:1414
- security.gentoo.org/glsa/201811-13
- usn.ubuntu.com/3660-1/
- debian.org/security/2018/dsa-4199
- usn.ubuntu.com/3645-1/
- access.redhat.com/errata/RHSA-2018:1725
- debian.org/security/2018/dsa-4209
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 52.8.0, v < 60.0 | 52.8.0, 60.0 |
| debian debian_linux | 7.0, 8.0, 9.0 | — |
| mozilla thunderbird | v < 52.8.0 | 52.8.0 |
| mozilla thunderbird_esr | v < 52.8.0 | 52.8.0 |
| canonical ubuntu_linux | 14.04, 16.04, 17.10, 18.04 | — |
| redhat enterprise_linux_desktop | 6.0, 7.0 | — |
| redhat enterprise_linux_server | 6.0, 7.0 | — |
| redhat enterprise_linux_server_aus | 7.6 | — |
| redhat enterprise_linux_server_eus | 7.5, 7.6 | — |
| redhat enterprise_linux_server_tus | 7.6 | — |
| redhat enterprise_linux_workstation | 6.0, 7.0 | — |
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