| Name | CVE-2023-23603 |
| Description | Regular expressions used to filter out forbidden properties and values from style directives in calls to <code>console.log</code> weren't accounting for external URLs. Data could then be potentially exfiltrated from the browser. This vulnerability affects Firefox < 109, Thunderbird < 102.7, and Firefox ESR < 102.7. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more) |
| References | DLA-3275-1, DLA-3324-1, DSA-5322-1, DSA-5355-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| firefox (PTS) | sid | 114.0-1 | fixed |
| firefox-esr (PTS) | buster | 91.12.0esr-1~deb10u1 | vulnerable |
| buster (security) | 102.11.0esr-1~deb10u1 | fixed | |
| bullseye | 102.10.0esr-1~deb11u1 | fixed | |
| bullseye (security) | 102.11.0esr-1~deb11u1 | fixed | |
| bookworm | 102.11.0esr-1 | fixed | |
| sid | 102.12.0esr-1 | fixed | |
| thunderbird (PTS) | buster | 1:91.12.0-1~deb10u1 | vulnerable |
| buster (security) | 1:102.11.0-1~deb10u1 | fixed | |
| bullseye | 1:102.10.0-1~deb11u1 | fixed | |
| bullseye (security) | 1:102.11.0-1~deb11u1 | fixed | |
| bookworm, sid | 1:102.11.0-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| firefox | source | (unstable) | 109.0-1 | |||
| firefox-esr | source | buster | 102.7.0esr-1~deb10u1 | DLA-3275-1 | ||
| firefox-esr | source | bullseye | 102.7.0esr-1~deb11u1 | DSA-5322-1 | ||
| firefox-esr | source | (unstable) | 102.7.0esr-1 | |||
| thunderbird | source | buster | 1:102.8.0-1~deb10u1 | DLA-3324-1 | ||
| thunderbird | source | bullseye | 1:102.8.0-1~deb11u1 | DSA-5355-1 | ||
| thunderbird | source | (unstable) | 1:102.7.1-1 |
https://www.mozilla.org/en-US/security/advisories/mfsa2023-01/#CVE-2023-23603
https://www.mozilla.org/en-US/security/advisories/mfsa2023-02/#CVE-2023-23603
https://www.mozilla.org/en-US/security/advisories/mfsa2023-03/#CVE-2023-23603