CVE-2020-26979
published 2021-01-07CVE-2020-26979: When a user typed a URL in the address bar or the search bar and quickly hit the enter key, a website could sometimes capture that event and then redirect the…
PriorityP425medium6.1CVSS 3.1
AVNACLPRNUIRSCCLILAN
EPSS
0.72%
49.3th percentile
When a user typed a URL in the address bar or the search bar and quickly hit the enter key, a website could sometimes capture that event and then redirect the user before navigation occurred to the desired, entered address. To construct a convincing spoof the attacker would have had to guess what the user was typing, perhaps by suggesting it. This vulnerability affects Firefox < 84.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 84.0-1 (sid) | firefox 84.0-1 (sid) |
| mozilla | firefox | < 84.0 | 84.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 0 < 84.0+build3-0ubuntu0.16.04.1 | 84.0+build3-0ubuntu0.16.04.1 |
| mozilla | firefox | >= 0 < 84.0+build3-0ubuntu0.18.04.1 | 84.0+build3-0ubuntu0.18.04.1 |
| mozilla | firefox | >= 0 < 84.0+build3-0ubuntu0.20.04.1 | 84.0+build3-0ubuntu0.20.04.1 |
| mozilla | firefox | >= unspecified < 84 | 84 |
CVSS provenance
nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
nvdv2.05.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:N
osv6.5MEDIUM
vendor_ubuntu6.5MEDIUM
vendor_debian6.1MEDIUM
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GHSA
GHSA-3c9h-j75v-3mr5: When a user typed a URL in the address bar or the search bar and quickly hit the enter key, a website could sometimes capture that event and then redi
ghsa_unreviewed·2022-05-24
CVE-2020-26979 [MEDIUM] CWE-601 GHSA-3c9h-j75v-3mr5: When a user typed a URL in the address bar or the search bar and quickly hit the enter key, a website could sometimes capture that event and then redi
When a user typed a URL in the address bar or the search bar and quickly hit the enter key, a website could sometimes capture that event and then redirect the user before navigation occurred to the desired, entered address. To construct a convincing spoof the attacker would have had to guess what the user was typing, perhaps by suggesting it. This vulnerability affects Firefox < 84.
OSV
CVE-2020-26979: When a user typed a URL in the address bar or the search bar and quickly hit the enter key, a website could sometimes capture that event and then redi
osv·2020-12-15·CVSS 6.1
CVE-2020-26979 [MEDIUM] CVE-2020-26979: When a user typed a URL in the address bar or the search bar and quickly hit the enter key, a website could sometimes capture that event and then redi
When a user typed a URL in the address bar or the search bar and quickly hit the enter key, a website could sometimes capture that event and then redirect the user before navigation occurred to the desired, entered address. To construct a convincing spoof the attacker would have had to guess what the user was typing, perhaps by suggesting it. This vulnerability affects Firefox < 84.
OSV
firefox vulnerabilities
osv·2020-12-15·CVSS 6.5
CVE-2020-16042 [MEDIUM] firefox vulnerabilities
firefox vulnerabilities
Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information, bypass the CSS sanitizer, bypass security restrictions,
spoof the URL bar, or execute arbitrary code. (CVE-2020-16042,
CVE-2020-26971, CVE-2020-26972, CVE-2020-26793, CVE-2020-26974,
CVE-2020-26976, CVE-2020-26978, CVE-2020-26979,
CVE-2020-35113, CVE-2020-35114)
It was discovered that the proxy.onRequest API did not catch
view-source URLs. If a user were tricked in to installing an
extension with the proxy permission and opening View Source, an
attacker could potentially exploit this to obtain sensitive
information. (CVE-2020-35111)
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2020-12-15·CVSS 6.5
CVE-2020-26971 [MEDIUM] Firefox vulnerabilities
Title: Firefox vulnerabilities
Summary: Firefox could be made to crash or run programs as your login if it
opened a malicious website.
Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information, bypass the CSS sanitizer, bypass security restrictions,
spoof the URL bar, or execute arbitrary code. (CVE-2020-16042,
CVE-2020-26971, CVE-2020-26972, CVE-2020-26793, CVE-2020-26974,
CVE-2020-26976, CVE-2020-26978, CVE-2020-26979,
CVE-2020-35113, CVE-2020-35114)
It was discovered that the proxy.onRequest API did not catch
view-source URLs. If a user were tricked in to installing an
extension with the proxy permission and opening View So
Debian
CVE-2020-26979: firefox - When a user typed a URL in the address bar or the search bar and quickly hit the...
vendor_debian·2020·CVSS 6.1
CVE-2020-26979 [MEDIUM] CVE-2020-26979: firefox - When a user typed a URL in the address bar or the search bar and quickly hit the...
When a user typed a URL in the address bar or the search bar and quickly hit the enter key, a website could sometimes capture that event and then redirect the user before navigation occurred to the desired, entered address. To construct a convincing spoof the attacker would have had to guess what the user was typing, perhaps by suggesting it. This vulnerability affects Firefox < 84.
Scope: local
sid: resolved (fixed in 84.0-1)
Mozilla
Mozilla Foundation Security Advisory 2020-54: CVE-2020-26979
vendor_mozilla·CVSS 6.1
CVE-2020-26979 [MEDIUM] Mozilla Foundation Security Advisory 2020-54: CVE-2020-26979
Mozilla Foundation Security Advisory 2020-54
CVE: CVE-2020-26979
Product: Firefox
Impact: high
Fixed in: Firefox 84
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-01-07
Published