CVE-2017-9732

Public Exploit

Description

The read_packet function in knc (Kerberised NetCat) before 1.11-1 is vulnerable to denial of service (memory exhaustion) that can be exploited remotely without authentication, possibly affecting another services running on the targeted host.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 4.78% Top 15%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory seclists.org Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/elric1/knc/commit/f237f3e09ecbaf59c897f5046538a7b1a3fa40c1 third party advisory patch
http://seclists.org/fulldisclosure/2018/Nov/65 mailing list patch exploit third party advisory
http://packetstormsecurity.com/files/150534/knc-Kerberized-NetCat-Denial-Of-Service.html patch exploit vdb entry third party advisory
https://github.com/irsl/knc-memory-exhaustion/ exploit third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2017-9732?
CVE-2017-9732 has been scored as a high severity vulnerability.
How to fix CVE-2017-9732?
To fix CVE-2017-9732, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-9732 being actively exploited in the wild?
It is possible that CVE-2017-9732 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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