Vulnerability Description
By observing the stack trace for JavaScript errors in web workers, it was possible to leak the result of a cross-origin redirect. This applied only to content that can be parsed as script. This vulnerability affects Firefox < 79, Firefox ESR < 68.11, Firefox ESR < 78.1, Thunderbird < 68.11, and Thunderbird < 78.1.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 79.0 |
| Mozilla | Firefox Esr | < 68.11 |
| Mozilla | Thunderbird | < 68.11 |
| Canonical | Ubuntu Linux | 16.04 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00022.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00032.htmlBroken Link
- https://bugzilla.mozilla.org/show_bug.cgi?id=1634872Issue TrackingVendor Advisory
- https://usn.ubuntu.com/4443-1/Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-30/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-31/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-32/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-33/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-35/Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00022.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00032.htmlBroken Link
- https://bugzilla.mozilla.org/show_bug.cgi?id=1634872Issue TrackingVendor Advisory
- https://usn.ubuntu.com/4443-1/Third Party Advisory
FAQ
What is CVE-2020-15652?
CVE-2020-15652 is a vulnerability with a CVSS score of 6.5 (MEDIUM). By observing the stack trace for JavaScript errors in web workers, it was possible to leak the result of a cross-origin redirect. This applied only to content that can be parsed as script. This vulner...
How severe is CVE-2020-15652?
CVE-2020-15652 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-15652?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird, Canonical Ubuntu Linux.