High severity · published Nov 13, 2018
CVE-2018-16470
There is a possible DoS vulnerability in the multipart parser in Rack before 2.0.6
7.5
CVSS
2%
EPSS
No
On KEV
Description
There is a possible DoS vulnerability in the multipart parser in Rack before 2.0.6. Specially crafted requests can cause the multipart parser to enter a pathological state, causing the parser to use CPU resources disproportionate to the request size.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RA
Rack · Rack Project
2.0.4; 2.0.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-16470
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-16470
access.redhat.com
https://access.redhat.com/errata/RHSA-2019:3172
groups.google.com
https://groups.google.com/forum/#%21msg/rubyonrails-security/U_x-YkfuVTg/xhvYAmp6AAAJ
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