Vulnerability · Published Aug 10, 2020 · Assigned by mozilla
CVE-2020-15652
Medium 6.5
In plain English
A medium-severity security flaw in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)1.3%top 30.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | firefox | 79.0-r0 | ALPINE-CVE-2020-15652 |
| Alpine:v3.21 | firefox | 79.0-r0 | ALPINE-CVE-2020-15652 |
| Alpine:v3.22 | firefox | 79.0-r0 | ALPINE-CVE-2020-15652 |
| Alpine:v3.23 | firefox | 79.0-r0 | ALPINE-CVE-2020-15652 |
| Alpine:v3.20 | firefox-esr | 78.1.0-r0 | ALPINE-CVE-2020-15652 |
| Alpine:v3.21 | firefox-esr | 78.1.0-r0 | ALPINE-CVE-2020-15652 |
| Alpine:v3.22 | firefox-esr | 78.1.0-r0 | ALPINE-CVE-2020-15652 |
| Alpine:v3.23 | firefox-esr | 78.1.0-r0 | ALPINE-CVE-2020-15652 |
| Alpine:v3.21 | librewolf | 79.0-r0 | ALPINE-CVE-2020-15652 |
| Alpine:v3.22 | librewolf | 79.0-r0 | ALPINE-CVE-2020-15652 |
| Alpine:v3.23 | librewolf | 79.0-r0 | ALPINE-CVE-2020-15652 |
| Alpine:v3.24 | librewolf | 79.0-r0 | ALPINE-CVE-2020-15652 |
| Debian:12 | firefox-esr | 68.11.0esr-1 | DEBIAN-CVE-2020-15652 |
| Debian:13 | firefox-esr | 68.11.0esr-1 | DEBIAN-CVE-2020-15652 |
| Debian:14 | firefox-esr | 68.11.0esr-1 | DEBIAN-CVE-2020-15652 |
| Debian:12 | thunderbird | 1:68.11.0-1 | DEBIAN-CVE-2020-15652 |
| Debian:13 | thunderbird | 1:68.11.0-1 | DEBIAN-CVE-2020-15652 |
| Debian:14 | thunderbird | 1:68.11.0-1 | DEBIAN-CVE-2020-15652 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | unspecified – before 79 |
| Mozilla | Firefox ESR | unspecified – before 68.11unspecified – before 78.1 |
| Mozilla | Thunderbird | unspecified – before 68.11unspecified – before 78.1 |
References
- https://www.mozilla.org/security/advisories/mfsa2020-30/ x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2020-35/ x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2020-32/ x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2020-33/ x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2020-31/ x_refsource_MISC
- https://bugzilla.mozilla.org/show_bug.cgi?id=1634872 x_refsource_MISC
- openSUSE-SU-2020:1179 vendor-advisory, x_refsource_SUSE
- openSUSE-SU-2020:1189 vendor-advisory, x_refsource_SUSE
- openSUSE-SU-2020:1205 vendor-advisory, x_refsource_SUSE
- USN-4443-1 vendor-advisory, x_refsource_UBUNTU