| Name | CVE-2021-3621 |
| Description | A flaw was found in SSSD, where the sssctl command was vulnerable to shell command injection via the logs-fetch and cache-expire subcommands. This flaw allows an attacker to trick the root user into running a specially crafted sssctl command, such as via sudo, to gain root access. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. |
| 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-2758-1, DLA-3436-1 |
| Debian Bugs | 992710 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| sssd (PTS) | jessie, jessie (lts) | 1.11.7-3+deb8u2 | fixed |
| stretch (security), stretch (lts), stretch | 1.15.0-3+deb9u2 | fixed | |
| buster (security), buster, buster (lts) | 1.16.3-3.2+deb10u2 | fixed | |
| bullseye | 2.4.1-2 | vulnerable | |
| bookworm | 2.8.2-4 | fixed | |
| sid | 2.9.5-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| sssd | source | jessie | (not affected) | |||
| sssd | source | stretch | 1.15.0-3+deb9u2 | DLA-2758-1 | ||
| sssd | source | buster | 1.16.3-3.2+deb10u1 | DLA-3436-1 | ||
| sssd | source | (unstable) | 2.5.2-1 | 992710 |
[bullseye] - sssd <no-dsa> (Minor issue)
https://bugzilla.redhat.com/show_bug.cgi?id=1975142
https://github.com/SSSD/sssd/commit/7ab83f97e1cbefb78ece17232185bdd2985f0bbe (sssd-2-7)
https://github.com/SSSD/sssd/commit/b4b32677a886bc26d60ce0171505aa3ab0c82c8a (sssd-1-16)
Introduced by https://github.com/SSSD/sssd/commit/e157b9f6cb370e1b94bcac2044d26ad66d640fba (v1.13.91)
[jessie] - sssd <not-affected> (Vulnerable code introduced later)