| Name | CVE-2024-56433 |
| Description | shadow-utils (aka shadow) 4.4 through 4.17.0 establishes a default /etc/subuid behavior (e.g., uid 100000 through 165535 for the first user account) that can realistically conflict with the uids of users defined on locally administered networks, potentially leading to account takeover, e.g., by leveraging newuidmap for access to an NFS home directory (or same-host resources in the case of remote logins by these local network users). NOTE: it may also be argued that system administrators should not have assigned uids, within local networks, that are within the range that can occur in /etc/subuid. |
| 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 | 1103832 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| shadow (PTS) | bullseye | 1:4.8.1-1 | vulnerable |
| bullseye (security) | 1:4.8.1-1+deb11u1 | vulnerable | |
| bookworm | 1:4.13+dfsg1-1+deb12u1 | vulnerable | |
| trixie, sid | 1:4.17.4-2 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| shadow | source | (unstable) | (unfixed) | 1103832 |
[bookworm] - shadow <no-dsa> (Minor issue)
[bullseye] - shadow <postponed> (Minor issue, disputed, no upstream patch)
https://github.com/shadow-maint/shadow/issues/1157