# CVE-2018-18499: thunderbird: A same-origin policy violation allowing the theft of cross-origin URL entries when using a meta http-equiv="refresh"...

CVE-2018-18499 is fixed in 8 products on 1 platform, first by thunderbird 1:60.2.1+build1-0ubuntu0.18.04.2, released February 28, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-18499
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0109
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 28, 2019

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | thunderbird Ubuntu 18.04.6 LTS (bionic) | 1:60.2.1+build1-0ubuntu0.18.04.2 | [thunderbird 1:60.2.1+build1-0ubuntu0.18.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-1-60.2.1-build1-0ubuntu0.18.04.2.md) | Feb 28, 2019 |
| Linux | thunderbird-globalmenu Ubuntu 18.04.6 LTS (bionic) | 1:60.2.1+build1-0ubuntu0.18.04.2 | [thunderbird-globalmenu 1:60.2.1+build1-0ubuntu0.18.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-globalmenu-1-60.2.1-build1-0ubuntu0.18.04.2.md) | Feb 28, 2019 |
| Linux | thunderbird-gnome-support Ubuntu 18.04.6 LTS (bionic) | 1:60.2.1+build1-0ubuntu0.18.04.2 | [thunderbird-gnome-support 1:60.2.1+build1-0ubuntu0.18.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-gnome-support-1-60.2.1-build1-0ubuntu0.18.04.2.md) | Feb 28, 2019 |
| Linux | thunderbird-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 1:60.2.1+build1-0ubuntu0.18.04.2 | [thunderbird-mozsymbols 1:60.2.1+build1-0ubuntu0.18.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-mozsymbols-1-60.2.1-build1-0ubuntu0.18.04.2.md) | Feb 28, 2019 |
| Linux | thunderbird-testsuite Ubuntu 18.04.6 LTS (bionic) | 1:60.2.1+build1-0ubuntu0.18.04.2 | [thunderbird-testsuite 1:60.2.1+build1-0ubuntu0.18.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-testsuite-1-60.2.1-build1-0ubuntu0.18.04.2.md) | Feb 28, 2019 |
| Linux | xul-ext-calendar-timezones Ubuntu 18.04.6 LTS (bionic) | 1:60.2.1+build1-0ubuntu0.18.04.2 | [xul-ext-calendar-timezones 1:60.2.1+build1-0ubuntu0.18.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-calendar-timezones-1-60.2.1-build1-0ubuntu0.18.04.2.md) | Feb 28, 2019 |
| Linux | xul-ext-gdata-provider Ubuntu 18.04.6 LTS (bionic) | 1:60.2.1+build1-0ubuntu0.18.04.2 | [xul-ext-gdata-provider 1:60.2.1+build1-0ubuntu0.18.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-gdata-provider-1-60.2.1-build1-0ubuntu0.18.04.2.md) | Feb 28, 2019 |
| Linux | xul-ext-lightning Ubuntu 18.04.6 LTS (bionic) | 1:60.2.1+build1-0ubuntu0.18.04.2 | [xul-ext-lightning 1:60.2.1+build1-0ubuntu0.18.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-lightning-1-60.2.1-build1-0ubuntu0.18.04.2.md) | Feb 28, 2019 |

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