CVE-2018-16848

CVSS V2 Medium 4 CVSS V3 Medium 6.5

Description

A Denial of Service (DoS) condition is possible in OpenStack Mistral in versions up to and including 7.0.3. Submitting a specially crafted workflow definition YAML file containing nested anchors can lead to resource exhaustion culminating in a denial of service.

Overview

CVE ID
CVE-2018-16848

Assigner
secalert@redhat.com

Vulnerability Status
Analyzed

Published Version
2020-06-15T15:15:09

Last Modified Date
2020-06-17T16:49:42

Weakness Enumerations

CWE	URL
CWE-400	http://cwe.mitre.org/data/definitions/400.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:redhat:openstack-mistral::::::::	1	OR		7.0.3

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:S/C:N/I:N/A:P

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
SINGLE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
4

Severity
MEDIUM

Exploitability Score
8

Impact Score
2.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
6.5

Base Severity
MEDIUM

Exploitability Score
2.8

Impact Score
3.6

References

Reference URL	Reference Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1645332	Issue Tracking Vendor Advisory
https://bugs.launchpad.net/mistral/+bug/1785657	Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2018-16848
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16848

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 16:42:29				Added to TrackCVE
2022-12-04 18:04:32	2020-06-15T15:15Z	2020-06-15T15:15:09	CVE Published Date	updated
2022-12-04 18:04:32		2020-06-17T16:49:42	CVE Modified Date	updated
2022-12-04 18:04:32		Analyzed	Vulnerability Status	updated