CVE-2017-9525
medium
CVSS v3
6.7
CVSS v4 NEW
—
VIR risk
6.7
Description
In the cron package through 3.0pl1-128 on Debian, and through 3.0pl1-128ubuntu2 on Ubuntu, the postinst maintainer script allows for group-crontab-to-root privilege escalation via symlink attacks against unsafe usage of the chown and chmod programs.
Predictions
Exploit likelihood
66%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Mixed 8 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 3.0pl1-129 |
| sid | Fixed | 3.0pl1-129 |
| forky | Fixed | 3.0pl1-129 |
| bullseye | Fixed | 3.0pl1-129 |
| bookworm | Fixed | 3.0pl1-129 |
| 9.0 | Affected | — |
| 8.0 | Affected | — |
| — | Not affected | — |
Ubuntu Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Not affected | — |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| cron_project | cron | {"endIncluding":"3.0pl1-128."} | |
References
- http://bugs.debian.org/864466
- http://www.openwall.com/lists/oss-security/2017/06/08/3
- http://www.securitytracker.com/id/1038651
- https://lists.debian.org/debian-lts-announce/2019/03/msg00025.html
- https://lists.debian.org/debian-lts-announce/2021/10/msg00029.html
- https://security-tracker.debian.org/tracker/CVE-2017-9525
CWEs
CWE-59
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.