| Name | CVE-2020-28243 |
| Description | An issue was discovered in SaltStack Salt before 3002.5. The minion's restartcheck is vulnerable to command injection via a crafted process name. This allows for a local privilege escalation by any user able to create a files on the minion in a non-blacklisted directory. |
| 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-2815-1 |
| Debian Bugs | 983632 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| salt (PTS) | jessie, jessie (lts) | 2014.1.13+ds-3+deb8u2 | fixed |
| stretch (security), stretch (lts), stretch | 2016.11.2+ds-1+deb9u10 | fixed |
| buster, buster (security) | 2018.3.4+dfsg1-6+deb10u3 | fixed |
| bullseye (security), bullseye | 3002.6+dfsg1-4+deb11u1 | fixed |
| sid | 3004.1+dfsg-2.2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| salt | source | jessie | (not affected) | | | |
| salt | source | stretch | 2016.11.2+ds-1+deb9u7 | | DLA-2815-1 | |
| salt | source | buster | 2018.3.4+dfsg1-6+deb10u3 | | | |
| salt | source | (unstable) | 3002.5+dfsg1-1 | | | 983632 |
Notes
https://saltproject.io/security_announcements/active-saltstack-cve-release-2021-feb-25/
Introduced by: https://github.com/saltstack/salt/commit/e02df6fd3ceb605a58e4ac75c06077f52963187a (v2016.3)
Fixed by: https://github.com/saltstack/salt/commit/61dd6d178b1dae0a1bf884bcd1149003281f8194 (v3002.3)
Follow-up: https://github.com/saltstack/salt/commit/777ffe612e612fb443018c1d7983d4abe4632bb2 (v3002.6)
Follow-up doc: https://github.com/saltstack/salt/commit/903cfdcf6863b288fa41549bd991da6049962f54 (next commit)
[jessie] - salt <not-affected> (Vulnerable module introduced later)