| Name | CVE-2020-15677 |
| Description | By exploiting an Open Redirect vulnerability on a website, an attacker could have spoofed the site displayed in the download file dialog to show the original site (the one suffering from the open redirect) rather than the site the file was actually downloaded from. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2387-1, DLA-2408-1, DSA-4768-1, DSA-4770-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| firefox (PTS) | sid | 124.0.1-1 | fixed |
| firefox-esr (PTS) | buster | 91.12.0esr-1~deb10u1 | fixed |
| buster (security) | 115.9.1esr-1~deb10u1 | fixed | |
| bullseye | 115.7.0esr-1~deb11u1 | fixed | |
| bullseye (security) | 115.9.1esr-1~deb11u1 | fixed | |
| bookworm | 115.7.0esr-1~deb12u1 | fixed | |
| bookworm (security) | 115.9.1esr-1~deb12u1 | fixed | |
| trixie | 115.8.0esr-1 | fixed | |
| sid | 115.9.1esr-1 | fixed | |
| thunderbird (PTS) | buster | 1:91.12.0-1~deb10u1 | fixed |
| buster (security) | 1:115.9.0-1~deb10u1 | fixed | |
| bullseye | 1:115.7.0-1~deb11u1 | fixed | |
| bullseye (security) | 1:115.9.0-1~deb11u1 | fixed | |
| bookworm | 1:115.7.0-1~deb12u1 | fixed | |
| bookworm (security) | 1:115.9.0-1~deb12u1 | fixed | |
| sid | 1:115.9.0-1 | 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) | 81.0-1 | |||
| firefox-esr | source | stretch | 78.3.0esr-1~deb9u1 | DLA-2387-1 | ||
| firefox-esr | source | buster | 78.3.0esr-1~deb10u1 | DSA-4768-1 | ||
| firefox-esr | source | (unstable) | 78.3.0esr-1 | |||
| thunderbird | source | stretch | 1:78.3.1-2~deb9u1 | DLA-2408-1 | ||
| thunderbird | source | buster | 1:78.3.1-2~deb10u2 | DSA-4770-1 | ||
| thunderbird | source | (unstable) | 1:78.3.1-1 |
https://www.mozilla.org/en-US/security/advisories/mfsa2020-42/#CVE-2020-15677
https://www.mozilla.org/en-US/security/advisories/mfsa2020-43/#CVE-2020-15677
https://www.mozilla.org/en-US/security/advisories/mfsa2020-44/#CVE-2020-15677