CVE-2019-5418
HIGHCVSS 7.5/10Actively ExploitedEPSS 98.51%
Last modified
CVE-2019-5418 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. There is a File Content Disclosure vulnerability in Action View <5.2.2.1, <5.1.6.2, <5.0.7.2, <4.2.11.1 and v3 where specially crafted accept headers can cause contents of arbitrary files on the target system's filesystem to be exposed.. CISA has confirmed active exploitation in the wild. EPSS estimates a 98.51% chance of exploitation in the next 30 days.
Description
There is a File Content Disclosure vulnerability in Action View <5.2.2.1, <5.1.6.2, <5.0.7.2, <4.2.11.1 and v3 where specially crafted accept headers can cause contents of arbitrary files on the target system's filesystem to be exposed.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Rubyonrails | Rails | >= 3.0.0, < 4.2.11.1 |
| Rubyonrails | Rails | >= 5.0.0, < 5.0.7.2 |
| Rubyonrails | Rails | >= 5.1.0, < 5.1.6.2 |
| Rubyonrails | Rails | >= 5.2.0, < 5.2.2.1 |
| Debian | Debian Linux | 8.0 |
| Redhat | Cloudforms | 4.7 |
| Opensuse | Leap | 15.0 |
| Fedoraproject | Fedora | 30 |
| Redhat | Cloudforms | 4.6 |
| Redhat | Software Collections | 1.0 |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00011.htmlMailing List, Third Party Advisory
- http://packetstormsecurity.com/files/152178/Rails-5.2.1-Arbitrary-File-Content-Disclosure.htmlExploit, Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2019/03/22/1Mailing List, Mitigation, Patch, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0796Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1147Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1149Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1289Third Party Advisory
- https://groups.google.com/forum/#%21topic/rubyonrails-security/pFRKI96Sm8QPermissions Required
- https://lists.debian.org/debian-lts-announce/2019/03/msg00042.htmlMailing List, Third Party Advisory
- https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/Broken Link, Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/46585/Exploit, Third Party Advisory, VDB Entry
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00011.htmlMailing List, Third Party Advisory
- http://packetstormsecurity.com/files/152178/Rails-5.2.1-Arbitrary-File-Content-Disclosure.htmlExploit, Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2019/03/22/1Mailing List, Mitigation, Patch, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0796Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1147Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1149Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1289Third Party Advisory
- https://groups.google.com/forum/#%21topic/rubyonrails-security/pFRKI96Sm8QPermissions Required
- https://lists.debian.org/debian-lts-announce/2019/03/msg00042.htmlMailing List, Third Party Advisory
- https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/Broken Link, Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/46585/Exploit, Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-5418US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2019-5418?
There is a File Content Disclosure vulnerability in Action View <5.2.2.1, <5.1.6.2, <5.0.7.2, <4.2.11.1 and v3 where specially crafted accept headers can cause contents of arbitrary files on the target system's filesystem to be exposed.
How severe is CVE-2019-5418?
CVE-2019-5418 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 98.51% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2019-5418?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2019-5418?
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