| Name | CVE-2020-24386 |
| Description | An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure). |
| 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-2517-1, DSA-4825-1 |
| Debian Bugs | 979363 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| dovecot (PTS) | buster | 1:2.3.4.1-5+deb10u6 | fixed |
| buster (security) | 1:2.3.4.1-5+deb10u7 | fixed | |
| bullseye | 1:2.3.13+dfsg1-2+deb11u1 | fixed | |
| bookworm | 1:2.3.19.1+dfsg1-2.1 | fixed | |
| sid | 1:2.3.21+dfsg1-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| dovecot | source | stretch | 1:2.2.27-3+deb9u7 | DLA-2517-1 | ||
| dovecot | source | buster | 1:2.3.4.1-5+deb10u5 | DSA-4825-1 | ||
| dovecot | source | (unstable) | 1:2.3.13+dfsg1-1 | 979363 |
https://dovecot.org/pipermail/dovecot-news/2021-January/000450.html
https://github.com/dovecot/core/commit/00df2308b0733e810824545183d73276c416cdd3
https://github.com/dovecot/core/commit/b4a9872b833b7985c7d0e7615f1b7fc812dd4c55