7.5
HIGH
CVE-2019-3821
Ceph RADOS Gateway SSL Denial of Service Vulnerability
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.

INFO

Published Date :

March 27, 2019, 1:29 p.m.

Last Modified :

Nov. 19, 2024, 8:23 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2019-3821 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Canonical ubuntu_linux
1 Ceph civetweb
1 Linuxfoundation ceph
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-3821.

URL Resource
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3821 Issue Tracking Third Party Advisory
https://github.com/ceph/civetweb/pull/33 Issue Tracking Third Party Advisory
https://usn.ubuntu.com/4035-1/ Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-3821 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-3821 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Nov. 19, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:ceph:civetweb:-:*:*:*:*:*:*:* OR *cpe:2.3:a:ceph:civetweb:*:*:*:*:*:*:*:* versions up to (excluding) 1.11
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 13, 2020

    Action Type Old Value New Value
    Removed CWE Red Hat, Inc. CWE-400
    Added CWE Red Hat, Inc. CWE-772
    Removed CWE Reason CWE-400 / More specific CWE option available
  • Modified Analysis by [email protected]

    Oct. 16, 2020

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://usn.ubuntu.com/4035-1/ No Types Assigned https://usn.ubuntu.com/4035-1/ Third Party Advisory
    Removed CWE NIST CWE-399
    Added CWE NIST CWE-772
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CVSS V3 Red Hat, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE Red Hat, Inc. CWE-400
  • CVE Modified by [email protected]

    Jun. 25, 2019

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4035-1/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Apr. 03, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://github.com/ceph/civetweb/pull/33 No Types Assigned https://github.com/ceph/civetweb/pull/33 Issue Tracking, Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3821 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3821 Issue Tracking, Third Party Advisory
    Added CWE CWE-399
    Added CPE Configuration OR *cpe:2.3:a:ceph:civetweb:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-3821 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-3821 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.01 }} 0.15%

score

0.83955

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability