Medium severity · published Jan 30, 2019
CVE-2018-17189
In Apache HTTP server versions 2.4.37 and prior, by sending request bodies in a slow loris way to plain resources, the h2 stream for that request unnecessarily occupied a server…
5.3
CVSS
20.1%
EPSS
No
On KEV
Description
In Apache HTTP server versions 2.4.37 and prior, by sending request bodies in a slow loris way to plain resources, the h2 stream for that request unnecessarily occupied a server thread cleaning up that incoming data. This affects only HTTP/2 (mod_http2) connections.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)20.1% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HS
HTTP Server · Apache
2.4.17 to 2.4.37 · source: vendor, NVD
DL
Debian Linux · Debian
9.0 · source: NVD
EM
Enterprise Manager Ops Center · Oracle
12.3.3 · source: NVD
FE
Fedora · Fedoraproject
28; 29 · source: NVD
HG
Hospitality Guest Access · Oracle
4.2.0; 4.2.1 · source: NVD
IE
Instantis Enterprisetrack · Oracle
17.1; 17.2; 17.3 · source: NVD
JC
Jboss Core Services · Redhat
1.0 · source: NVD
RX
Retail Xstore Point OF Service · Oracle
7.0; 7.1 · source: NVD
SC
Santricity Cloud Connector · Netapp
All versions, or not specified · source: NVD
SA
Storage Automation Store · Netapp
All versions, or not specified · source: NVD
SZ
Sun Zfs Storage Appliance Kit · Oracle
8.8.6 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04; 18.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-17189
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-17189
Third Party Advisory
http://www.securityfocus.com/bid/106685
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3932
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3933
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3935
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4126
Vendor Advisory
https://httpd.apache.org/security/vulnerabilities_24.html
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