Origin validation error in Mozilla Firefox
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Partial Red Hat: 15 fixed, 1 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-346.
Summary
A same-origin policy violation allowing the theft of cross-origin URL entries when using a meta http-equiv="refresh" on a page to cause a redirection to another site using performance.getEntries(). This is a same-origin policy violation and could allow for data theft. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Mozilla | Firefox | before 62 | 62 | Patch available | CNA |
| Mozilla | Firefox ESR | before 60.2 | 60.2 | Patch available | CNA |
| Mozilla | Thunderbird | before 60.2.1 | 60.2.1 | Patch available | CNA |
Remediation
- Fix · CNA Firefox (Mozilla) Fixed in 62
- Fix · CNA Firefox ESR (Mozilla) Fixed in 60.2
- Fix · CNA Thunderbird (Mozilla) Fixed in 60.2.1
Red Hat 4 advisories
- RHSA-2018:3458 Released 2018-11-05 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux Client (v. 7) thunderbird-60.2.1-4.el7_5
- Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-60.2.1-4.el7_5
- Red Hat Enterprise Linux Workstation (v. 7) thunderbird-60.2.1-4.el7_5
- Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) thunderbird-60.2.1-4.el7_5
- RHSA-2018:3403 Released 2018-10-30 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux Desktop (v. 6) thunderbird-60.2.1-5.el6
- Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-60.2.1-5.el6
- Red Hat Enterprise Linux Workstation (v. 6) thunderbird-60.2.1-5.el6
- RHSA-2018:2693 Released 2018-09-12 · Red Hat rating Criticalfirefox security update
- Red Hat Enterprise Linux Desktop (v. 6) firefox-60.2.0-1.el6
- Red Hat Enterprise Linux Desktop Optional (v. 6) firefox-60.2.0-1.el6
- Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-60.2.0-1.el6
- Red Hat Enterprise Linux Server (v. 6) firefox-60.2.0-1.el6
- Red Hat Enterprise Linux Server Optional (v. 6) firefox-60.2.0-1.el6
- Red Hat Enterprise Linux Workstation (v. 6) firefox-60.2.0-1.el6
- Red Hat Enterprise Linux Workstation Optional (v. 6) firefox-60.2.0-1.el6
Show 1 more Red Hat advisories
- RHSA-2018:2692 Released 2018-09-12 · Red Hat rating Criticalfirefox security update
- Red Hat Enterprise Linux Client (v. 7) firefox-60.2.0-1.el7_5
- Red Hat Enterprise Linux Client Optional (v. 7) firefox-60.2.0-1.el7_5
- Red Hat Enterprise Linux Server (v. 7) firefox-60.2.0-1.el7_5
- Red Hat Enterprise Linux Server Optional (v. 7) firefox-60.2.0-1.el7_5
- Red Hat Enterprise Linux Workstation (v. 7) firefox-60.2.0-1.el7_5
- Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-60.2.0-1.el7_5
- Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) firefox-60.2.0-1.el7_5
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2018:2692, RHSA-2018:3458 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2018:2692 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2018:2693, RHSA-2018:3403 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2018:2693 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2018:2693 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2018:2693 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2018:2692 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2018:2693, RHSA-2018:3403 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2018:2692, RHSA-2018:3458 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2018:2693, RHSA-2018:3403 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2018:2692, RHSA-2018:3458 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2018:2693 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2018:2692 |
| Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) | Fixed | RHSA-2018:2692 |
| Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) | Fixed | RHSA-2018:3458 |
Not affected: 1 product
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2018-18499
- 2026-10-03 Alias added: GHSA-h7hh-7f6j-x9mh
References
More Mozilla Firefox vulnerabilities
- TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
- TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
- TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
- TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
- TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2018-18499 · CVE Program
- CVE-2018-18499 · NVD
- FIRST EPSS
- GHSA-h7hh-7f6j-x9mh · GitHub Advisory Database · CC BY 4.0
- CVE-2018-18499 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences