Vulnerability · Published May 26, 2020 · Assigned by mozilla
CVE-2020-12394
Low 3.3
In plain English
A low-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 0.3% (higher than 21% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)3.3Low
Exploit odds (30 days)0.3%top 78.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A logic flaw in our location bar implementation could have allowed a local attacker to spoof the current location by selecting a different origin and removing focus from the input element. This vulnerability affects Firefox < 76.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | firefox | 76.0-r0 | ALPINE-CVE-2020-12394 |
| Alpine:v3.21 | firefox | 76.0-r0 | ALPINE-CVE-2020-12394 |
| Alpine:v3.22 | firefox | 76.0-r0 | ALPINE-CVE-2020-12394 |
| Alpine:v3.23 | firefox | 76.0-r0 | ALPINE-CVE-2020-12394 |
| Alpine:v3.21 | librewolf | 76.0-r0 | ALPINE-CVE-2020-12394 |
| Alpine:v3.22 | librewolf | 76.0-r0 | ALPINE-CVE-2020-12394 |
| Alpine:v3.23 | librewolf | 76.0-r0 | ALPINE-CVE-2020-12394 |
| Alpine:v3.24 | librewolf | 76.0-r0 | ALPINE-CVE-2020-12394 |
Affected products (as reported)
References
- https://www.mozilla.org/security/advisories/mfsa2020-16/ x_refsource_MISC
- https://bugzilla.mozilla.org/show_bug.cgi?id=1628288 x_refsource_MISC
- https://security.gentoo.org/glsa/202005-04 x_refsource_MISC