Resource exhaustion in Rails Https://github.com/rails/rails
CVE-2019-5419
There is a possible denial of service vulnerability in Action View (Rails) <5.2.2.1, <5.1.6.2, <5.0.7.2, <4.2.11.1 where specially crafted accept headers can cause action view to consume 100% cpu and make the server unresponsive.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.087 (94.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Rails Https://github.com/rails/rails — versions 5.2.2.1, 5.1.6.2, 5.0.7.2
- Rubyonrails Rails
- Debian Debian_linux — versions 8.0
- Fedoraproject Fedora — versions 30
- Opensuse Leap — versions 15.0, 15.1
- Redhat Cloudforms — versions 4.6, 4.7
- Redhat Software_collections — versions 1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support@hackerone.com (mailing-list, x_refsource_MLIST, Exploit, Patch, Mailing List, Third Party Advisory, Mitigation)
- support@hackerone.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
- support@hackerone.com (x_refsource_CONFIRM)
- support@hackerone.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- support@hackerone.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- support@hackerone.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- support@hackerone.com (x_refsource_FEDORA, vendor-advisory)
- support@hackerone.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- support@hackerone.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- support@hackerone.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-5419?
- CVE-2019-5419 is a high-severity vulnerability in Rails Https://github.com/rails/rails, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2019-03-27.
- How severe is CVE-2019-5419?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-5419 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.