High severity · published Jan 23, 2018
CVE-2017-12632
A malicious host header in an incoming HTTP request could cause NiFi to load resources from an external server
7.5
CVSS
2.8%
EPSS
No
On KEV
Description
A malicious host header in an incoming HTTP request could cause NiFi to load resources from an external server. The fix to sanitize host headers and compare to a controlled whitelist was applied on the Apache NiFi 1.5.0 release. Users running a prior 1.x release should upgrade to the appropriate release.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NI
Nifi · Apache
through 1.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-12632
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-12632
Vendor Advisory
https://nifi.apache.org/security.html#CVE-2017-12632
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