Description
Sympa through 6.2.57b.2 allows a local privilege escalation from the sympa user account to full root access by modifying the sympa.conf configuration file (which is owned by sympa) and parsing it through the setuid sympa_newaliases-wrapper executable.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | sympa | 6.2.60~dfsg-2 | — |
| Debian 13 | sympa | 6.2.60~dfsg-2 | — |
| Debian 12 | sympa | 6.2.60~dfsg-2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | sympa | No fix yet | — |
| Ubuntu Pro 20.04 LTS | sympa | No fix yet | — |
| Ubuntu Pro 18.04 LTS | sympa | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | sympa | No fix yet | — |
References
- https://github.com/sympa-community/sympa/issues/1009
- https://github.com/sympa-community/sympa/issues/943#issuecomment-704779420
- https://github.com/sympa-community/sympa/issues/943#issuecomment-704842235
- [debian-lts-announce] 20201109 [SECURITY] [DLA 2441-1] sympa security update mailing-list
- FEDORA-2021-a309986711 vendor-advisory
- FEDORA-2021-af8fa074ad vendor-advisory
- FEDORA-2021-aa993dd633 vendor-advisory