If right-to-left text is used in the addressbar with left-to-right alignment, it is possible in some circumstances to scroll this text to spoof the displayed URL. This issue could result in the wrong URL being displayed as a location, which can mislead users to believe they are on a different site than the one loaded. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2018-5117 from the MITRE CVE dictionary dictionary and NIST NVD.
| CVSS3 Base Score | 6.1 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | Required |
| Scope | Changed |
| Confidentiality | Low |
| Integrity Impact | Low |
| Availability Impact | None |
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 7 (thunderbird) | RHSA-2018:0262 | 2018-02-01 |
| Red Hat Enterprise Linux 7 (firefox) | RHSA-2018:0122 | 2018-01-24 |
| Red Hat Enterprise Linux 6 (firefox) | RHSA-2018:0122 | 2018-01-24 |
| Red Hat Enterprise Linux 6 (thunderbird) | RHSA-2018:0262 | 2018-02-01 |
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