CVE-2017-14339

CVSS V2 High 7.8 CVSS V3 High 7.5

Description

The DNS packet parser in YADIFA before 2.2.6 does not check for the presence of infinite pointer loops, and thus it is possible to force it to enter an infinite loop. This can cause high CPU usage and makes the server unresponsive.

Overview

CVE ID
CVE-2017-14339

Assigner
cve@mitre.org

Vulnerability Status
Modified

Published Version
2017-09-20T16:29:00

Last Modified Date
2019-10-03T00:03:26

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:yadifa:yadifa::::::::	1	OR		2.2.5

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
3.0

Vector String
CVSS:3.0/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.tarlogic.com/blog/fuzzing-yadifa-dns/	Exploit Technical Description Third Party Advisory
https://github.com/yadifa/yadifa/blob/v2.2.6/ChangeLog	Third Party Advisory
http://www.debian.org/security/2017/dsa-4001

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2017-14339
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14339

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:22:36				Added to TrackCVE
2022-12-02 21:12:16	2017-09-20T16:29Z	2017-09-20T16:29:00	CVE Published Date	updated
2022-12-02 21:12:16		2019-10-03T00:03:26	CVE Modified Date	updated
2022-12-02 21:12:16		Modified	Vulnerability Status	updated