Vulnerability · Published Jul 5, 2023 · Assigned by mozilla
CVE-2023-37207
Medium 6.5
In plain English
A medium-severity security flaw in Firefox from Mozilla. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)0.7%top 45.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A website could have obscured the fullscreen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | firefox | 102.13.0-2.el8_8.alma | ALSA-2023:4076 |
| AlmaLinux:9 | firefox | 102.13.0-2.el9_2.alma | ALSA-2023:4071 |
| AlmaLinux:9 | firefox-x11 | 102.13.0-2.el9_2.alma | ALSA-2023:4071 |
| AlmaLinux:8 | thunderbird | 102.13.0-2.el8_8.alma | ALSA-2023:4063 |
| AlmaLinux:9 | thunderbird | 102.13.0-2.el9_2.alma | ALSA-2023:4064 |
| Alpine:v3.20 | firefox-esr | 115.0-r0 | ALPINE-CVE-2023-37207 |
| Alpine:v3.21 | firefox-esr | 115.0-r0 | ALPINE-CVE-2023-37207 |
| Alpine:v3.22 | firefox-esr | 115.0-r0 | ALPINE-CVE-2023-37207 |
| Alpine:v3.23 | firefox-esr | 115.0-r0 | ALPINE-CVE-2023-37207 |
| Debian:12 | firefox-esr | 102.13.0esr-1~deb12u1 | DSA-5450-1 |
| Debian:12 | firefox-esr | 102.13.0esr-1~deb12u1 | DEBIAN-CVE-2023-37207 |
| Debian:13 | firefox-esr | 102.13.0esr-1 | DEBIAN-CVE-2023-37207 |
| Debian:14 | firefox-esr | 102.13.0esr-1 | DEBIAN-CVE-2023-37207 |
| Debian:12 | thunderbird | 1:102.13.0-1~deb12u1 | DSA-5451-1 |
| Debian:12 | thunderbird | 1:102.13.0-1~deb12u1 | DEBIAN-CVE-2023-37207 |
| Debian:13 | thunderbird | 1:102.13.0-1 | DEBIAN-CVE-2023-37207 |
| Debian:14 | thunderbird | 1:102.13.0-1 | DEBIAN-CVE-2023-37207 |
| Rocky Linux:8 | firefox | 0:102.13.0-2.el8_8 | RLSA-2023:4076 |
| Rocky Linux:9 | firefox | 0:102.13.0-2.el9_2 | RLSA-2023:4071 |
| Rocky Linux:8 | thunderbird | 0:102.13.0-2.el8_8 | RLSA-2023:4063 |
| Ubuntu:22.04:LTS | thunderbird | 1:102.13.0+build1-0ubuntu0.22.04.1 | UBUNTU-CVE-2023-37207 |
| Ubuntu:22.04:LTS | thunderbird | 1:102.13.0+build1-0ubuntu0.22.04.1 | USN-6214-1 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | unspecified – before 115 |
| Mozilla | Firefox ESR | unspecified – before 102.13 |
| Mozilla | Thunderbird | unspecified – before 102.13 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1816287
- https://www.mozilla.org/security/advisories/mfsa2023-22/
- https://www.mozilla.org/security/advisories/mfsa2023-23/
- https://www.mozilla.org/security/advisories/mfsa2023-24/
- https://lists.debian.org/debian-lts-announce/2023/07/msg00006.html
- https://www.debian.org/security/2023/dsa-5450
- https://www.debian.org/security/2023/dsa-5451
- https://lists.debian.org/debian-lts-announce/2023/07/msg00015.html