CVE-2017-14339
UnknownEPSS 2.53%
Last modified
CVE-2017-14339 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.53% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Yadifa | Yadifa | <= 2.2.5 |
References
- https://github.com/yadifa/yadifa/blob/v2.2.6/ChangeLogThird Party Advisory
- https://www.tarlogic.com/blog/fuzzing-yadifa-dns/Exploit, Technical Description, Third Party Advisory
- https://github.com/yadifa/yadifa/blob/v2.2.6/ChangeLogThird Party Advisory
- https://www.tarlogic.com/blog/fuzzing-yadifa-dns/Exploit, Technical Description, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-14339?
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.
How severe is CVE-2017-14339?
Severity scoring for CVE-2017-14339 is pending analysis. The EPSS model estimates a 2.53% probability of exploitation in the next 30 days.
How do I fix CVE-2017-14339?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2017-14339?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST