High severity · published Mar 27, 2019
CVE-2019-3821
A flaw was found in the way civetweb frontend was handling requests for ceph RGW server with SSL enabled
7.5
CVSS
2.9%
EPSS
No
On KEV
Description
A flaw was found in the way civetweb frontend was handling requests for ceph RGW server with SSL enabled. An unauthenticated attacker could create multiple connections to ceph RADOS gateway to exhaust file descriptors for ceph-radosgw service resulting in a remote denial of service.
CVSS vector
CVSS:3.1/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)2.9% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CI
Civetweb · Ceph
before 1.11 · source: NVD
UL
Ubuntu Linux · Canonical
16.04; 18.10; 19.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-3821
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-3821
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3821
Issue Tracking
https://github.com/ceph/civetweb/pull/33
Third Party Advisory
https://usn.ubuntu.com/4035-1/
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