| Name | CVE-2021-28235 |
| Description | Authentication vulnerability found in Etcd-io v.3.4.10 allows remote attackers to escalate privileges via the debug function. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1034840 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| etcd (PTS) | buster (security), buster, buster (lts) | 3.2.26+dfsg-3+deb10u1 | vulnerable |
| bullseye | 3.3.25+dfsg-6 | vulnerable |
| bookworm | 3.4.23-4 | vulnerable |
| sid, trixie | 3.5.16-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| etcd | source | (unstable) | 3.4.30-1 | | | 1034840 |
Notes
[bookworm] - etcd <ignored> (Minor issue)
[bullseye] - etcd <no-dsa> (Minor issue)
[buster] - etcd <no-dsa> (Minor issue; only when debug is enabled)
https://github.com/etcd-io/etcd/pull/15648
https://github.com/etcd-io/etcd/pull/15655
https://github.com/etcd-io/etcd/commit/1f746597ea6ce9f0a4554108bc853f256e150b0b (v3.4.25)
https://github.com/etcd-io/etcd/commit/3618ab4b07cc9c0883b6a642da198877e25d612b (v3.4.25)