Vulnerability CVE-2017-9732
Published: 2018-12-20   Modified: 2018-12-21

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.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
knc (Kerberized NetCat) Denial Of Service
Imre Rad
03.12.2018

Type:

CWE-400

 (Uncontrolled Resource Consumption ('Resource Exhaustion'))

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial

 References:
http://packetstormsecurity.com/files/150534/knc-Kerberized-NetCat-Denial-Of-Service.html
http://seclists.org/fulldisclosure/2018/Nov/65
https://github.com/elric1/knc/commit/f237f3e09ecbaf59c897f5046538a7b1a3fa40c1
https://github.com/irsl/knc-memory-exhaustion/
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