Medium severity · published May 31, 2018
CVE-2018-11627
Sinatra before 2.0.2 has XSS via the 400 Bad Request page that occurs upon a params parser exception
6.1
CVSS
2.2%
EPSS
No
On KEV
Description
Sinatra before 2.0.2 has XSS via the 400 Bad Request page that occurs upon a params parser exception.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CL
Cloudforms · Redhat
4.6; 4.7 · source: NVD
SI
Sinatra · Sinatrarb
before 2.0.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-11627
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-11627
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0212
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0315
Patch
https://github.com/sinatra/sinatra/commit/12786867d6faaceaec62c7c2cb5b0e2dc074d71a
Exploit
https://github.com/sinatra/sinatra/issues/1428
More from Cloudforms
7.5
CVE-2019-5418
Rails Ruby on Rails Path Traversal Vulnerability
9.8
CVE-2018-1000544
rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem
9.8
CVE-2018-7750
transport.py in the SSH server implementation of Paramiko before 1.17.6, 1.18.x before 1.18.5, 2.0.x before 2.0.8, 2.1.x before 2.1.5, 2.2.x before 2.2.3, 2.3.x before 2.3.2, and…
9.1
CVE-2020-14325
Red Hat CloudForms before 5.11.7.0 was vulnerable to the User Impersonation authorization flaw which allows malicious attacker to create existent and non-existent role-based…
8.8
CVE-2014-0197
CFME: CSRF protection vulnerability via permissive check of the referrer header