| Name | CVE-2016-4911 |
| Description | The Fernet Token Provider in OpenStack Identity (Keystone) 9.0.x before 9.0.1 (mitaka) allows remote authenticated users to prevent revocation of a chain of tokens and bypass intended access restrictions by rescoping a token. |
| 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 | 824683 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| keystone (PTS) | buster | 2:14.2.0-0+deb10u1 | fixed |
| buster (security) | 2:14.2.0-0+deb10u2 | fixed |
| bullseye | 2:18.0.0-3+deb11u1 | fixed |
| bookworm | 2:22.0.0-2 | fixed |
| trixie | 2:25.0.0-1 | fixed |
| sid | 2:25.0.0-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| keystone | source | wheezy | (not affected) | | | |
| keystone | source | jessie | (not affected) | | | |
| keystone | source | (unstable) | 2:9.0.0-2 | | | 824683 |
Notes
[jessie] - keystone <not-affected> (affects only 9.0.0)
[wheezy] - keystone <not-affected> (affects only 9.0.0)
https://launchpad.net/bugs/1577558