CVE-2017-2909

CVSS V2 High 7.8 CVSS V3 High 7.5

Description

An infinite loop programming error exists in the DNS server functionality of Cesanta Mongoose 6.8 library. A specially crafted DNS request can cause an infinite loop resulting in high CPU usage and Denial Of Service. An attacker can send a packet over the network to trigger this vulnerability.

Overview

CVE ID
CVE-2017-2909

Assigner
talos-cna@cisco.com

Vulnerability Status
Analyzed

Published Version
2017-11-07T16:29:00

Last Modified Date
2022-06-13T19:17:51

Weakness Enumerations

CWE	URL
CWE-835	http://cwe.mitre.org/data/definitions/835.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:cesanta:mongoose:6.8:::::::*	1	OR

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
COMPLETE

Base Score
7.8

Severity
HIGH

Exploitability Score
10

Impact Score
6.9

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0416	Technical Description Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2017-2909
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2909

History

Created	Old Value	New Value	Data Type	Notes
2022-04-20 17:00:33				Added to TrackCVE
2022-12-02 22:50:13	2017-11-07T16:29Z	2017-11-07T16:29:00	CVE Published Date	updated
2022-12-02 22:50:13		2022-06-13T19:17:51	CVE Modified Date	updated
2022-12-02 22:50:13		Analyzed	Vulnerability Status	updated