CVE-2018-16477
Description
A bypass vulnerability in Active Storage >= 5.2.0 for Google Cloud Storage and Disk services allow an attacker to modify the `content-disposition` and `content-type` parameters which can be used in with HTML files and have them executed inline. Additionally, if combined with other techniques such as cookie bombing and specially crafted AppCache manifests, an attacker can gain access to private signed URLs within a specific storage path. This vulnerability has been fixed in version 5.2.1.1.
Predictions
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 Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2:5.2.2+dfsg-1 |
| sid | Fixed | 2:5.2.2+dfsg-1 |
| forky | Fixed | 2:5.2.2+dfsg-1 |
| bullseye | Fixed | 2:5.2.2+dfsg-1 |
| bookworm | Fixed | 2:5.2.2+dfsg-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| RubyGems | activestorage | !< 5.2.0||<>= 5.2.1.1 | >= 5.2.1.1 |
| RubyGems | activestorage | >=5.2.0,<5.2.1.1 | 5.2.1.1 |
References
- https://groups.google.com/forum/#!topic/rubyonrails-security/3KQRnXDIuLg
- https://nvd.nist.gov/vuln/detail/CVE-2018-16477
- https://github.com/advisories/GHSA-7rr7-rcjw-56vj
- https://groups.google.com/d/msg/rubyonrails-security/3KQRnXDIuLg/mByx5KkqBAAJ
- https://weblog.rubyonrails.org/2018/11/27/Rails-4-2-5-0-5-1-5-2-have-been-released
- https://security-tracker.debian.org/tracker/CVE-2018-16477
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.