| Name | CVE-2020-12393 |
| Description | The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP method of a request, which can be controlled by the website. If a user used the 'Copy as cURL' feature and pasted the command into a terminal, it could have resulted in command injection and arbitrary command execution. *Note: this issue only affects Firefox on Windows operating systems.*. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| firefox (PTS) | sid | 145.0-1 | fixed |
| firefox-esr (PTS) | bullseye | 115.14.0esr-1~deb11u1 | fixed |
| bullseye (security) | 140.5.0esr-1~deb11u1 | fixed | |
| bookworm | 128.14.0esr-1~deb12u1 | fixed | |
| bookworm (security) | 140.5.0esr-1~deb12u1 | fixed | |
| trixie | 140.4.0esr-1~deb13u1 | fixed | |
| trixie (security) | 140.5.0esr-1~deb13u1 | fixed | |
| forky | 140.4.0esr-1 | fixed | |
| sid | 140.5.0esr-1 | fixed | |
| thunderbird (PTS) | bullseye | 1:115.12.0-1~deb11u1 | fixed |
| bullseye (security) | 1:140.5.0esr-1~deb11u1 | fixed | |
| bookworm | 1:128.14.0esr-1~deb12u1 | fixed | |
| bookworm (security) | 1:140.4.0esr-1~deb12u1 | fixed | |
| trixie (security), trixie | 1:140.4.0esr-1~deb13u1 | fixed | |
| forky | 1:140.4.0esr-1 | fixed | |
| sid | 1:140.5.0esr-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) | (not affected) | |||
| firefox-esr | source | (unstable) | (not affected) | |||
| thunderbird | source | (unstable) | (not affected) |
- firefox <not-affected> (Only affects Windows)
- firefox-esr <not-affected> (Only affects Windows)
- thunderbird <not-affected> (Only affects Windows)
https://www.mozilla.org/en-US/security/advisories/mfsa2020-16/#CVE-2020-12393
https://www.mozilla.org/en-US/security/advisories/mfsa2020-17/#CVE-2020-12393
https://www.mozilla.org/en-US/security/advisories/mfsa2020-18/#CVE-2020-12393