Vulnerability CVE-2017-14339
Published: 2017-09-20

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.

Type:

CWE-835

 (Loop with Unreachable Exit Condition ('Infinite Loop'))

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Yadifa -> Yadifa 

 References:
http://www.debian.org/security/2017/dsa-4001
https://github.com/yadifa/yadifa/blob/v2.2.6/ChangeLog
https://www.tarlogic.com/blog/fuzzing-yadifa-dns/
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