PT-2018-8532 · Knc · Knc

Imre Rad · Published 2018-12-20 · Updated 2019-01-11 · CVE-2017-9732

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions knc versions prior to 1.11-1

Description The issue concerns a denial of service (memory exhaustion) that can be exploited remotely without authentication, potentially affecting other services running on the targeted host. This is due to a problem in the read packet function.

Recommendations For versions prior to 1.11-1, update to version 1.11-1 or later to resolve the issue.

Exploit

Fix

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2017-9732

Affected Products

Knc

References · 6

• 🔥 http://packetstormsecurity.com/files/150534/knc-Kerberized-NetCat-Denial-Of-Service.html · Exploit
• 🔥 http://seclists.org/fulldisclosure/2018/Nov/65 · Exploit
• 🔥 https://github.com/irsl/knc-memory-exhaustion · Exploit
• https://github.com/elric1/knc/commit/f237f3e09ecbaf59c897f5046538a7b1a3fa40c1 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2017-9732 · Security Note
• https://osv.dev/vulnerability/CVE-2017-9732 · Vendor Advisory