Vulnerability · Published Jul 9, 2020 · Assigned by mozilla
CVE-2020-12417
High 8.8
In plain English
A high-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 2.7% (higher than 86% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.8High
Exploit odds (30 days)2.7%top 14.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in memory corruption and a potentially exploitable crash. *Note: this issue only affects Firefox on ARM64 platforms.* This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | firefox | 78.0-r0 | ALPINE-CVE-2020-12417 |
| Alpine:v3.21 | firefox | 78.0-r0 | ALPINE-CVE-2020-12417 |
| Alpine:v3.22 | firefox | 78.0-r0 | ALPINE-CVE-2020-12417 |
| Alpine:v3.23 | firefox | 78.0-r0 | ALPINE-CVE-2020-12417 |
| Alpine:v3.20 | firefox-esr | 68.10.0-r0 | ALPINE-CVE-2020-12417 |
| Alpine:v3.21 | firefox-esr | 68.10.0-r0 | ALPINE-CVE-2020-12417 |
| Alpine:v3.22 | firefox-esr | 68.10.0-r0 | ALPINE-CVE-2020-12417 |
| Alpine:v3.23 | firefox-esr | 68.10.0-r0 | ALPINE-CVE-2020-12417 |
| Alpine:v3.21 | librewolf | 78.0-r0 | ALPINE-CVE-2020-12417 |
| Alpine:v3.22 | librewolf | 78.0-r0 | ALPINE-CVE-2020-12417 |
| Alpine:v3.23 | librewolf | 78.0-r0 | ALPINE-CVE-2020-12417 |
| Alpine:v3.24 | librewolf | 78.0-r0 | ALPINE-CVE-2020-12417 |
| Alpine:v3.20 | thunderbird | 68.10.0-r0 | ALPINE-CVE-2020-12417 |
| Alpine:v3.21 | thunderbird | 68.10.0-r0 | ALPINE-CVE-2020-12417 |
| Alpine:v3.22 | thunderbird | 68.10.0-r0 | ALPINE-CVE-2020-12417 |
| Alpine:v3.23 | thunderbird | 68.10.0-r0 | ALPINE-CVE-2020-12417 |
| Debian:12 | firefox-esr | 68.10.0esr-1 | DEBIAN-CVE-2020-12417 |
| Debian:13 | firefox-esr | 68.10.0esr-1 | DEBIAN-CVE-2020-12417 |
| Debian:14 | firefox-esr | 68.10.0esr-1 | DEBIAN-CVE-2020-12417 |
| Debian:12 | thunderbird | 1:68.10.0-1 | DEBIAN-CVE-2020-12417 |
| Debian:13 | thunderbird | 1:68.10.0-1 | DEBIAN-CVE-2020-12417 |
| Debian:14 | thunderbird | 1:68.10.0-1 | DEBIAN-CVE-2020-12417 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox ESR | unspecified – before 68.10 |
| Mozilla | Firefox | unspecified – before 78 |
| Mozilla | Thunderbird | unspecified – before 68.10.0 |
References
- https://www.mozilla.org/security/advisories/mfsa2020-24/ x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2020-26/ x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2020-25/ x_refsource_MISC
- https://bugzilla.mozilla.org/show_bug.cgi?id=1640737 x_refsource_MISC
- openSUSE-SU-2020:0967 vendor-advisory, x_refsource_SUSE
- openSUSE-SU-2020:0982 vendor-advisory, x_refsource_SUSE
- openSUSE-SU-2020:0983 vendor-advisory, x_refsource_SUSE
- openSUSE-SU-2020:1017 vendor-advisory, x_refsource_SUSE
- USN-4421-1 vendor-advisory, x_refsource_UBUNTU
- GLSA-202007-09 vendor-advisory, x_refsource_GENTOO
- GLSA-202007-10 vendor-advisory, x_refsource_GENTOO