Vulnerability Details : CVE-2017-9732
Potential exploit
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.
Vulnerability category: Denial of service
Products affected by CVE-2017-9732
- cpe:2.3:a:secure-endpoints:kerberised_netcat:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-9732
4.78%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 89 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-9732
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2017-9732
-
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-9732
-
http://packetstormsecurity.com/files/150534/knc-Kerberized-NetCat-Denial-Of-Service.html
knc (Kerberized NetCat) Denial Of Service ≈ Packet StormExploit;Patch;Third Party Advisory;VDB Entry
-
http://seclists.org/fulldisclosure/2018/Nov/65
Full Disclosure: CVE-2017-9732: knc (kerberized netcat) memory exhaustionExploit;Mailing List;Patch;Third Party Advisory
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https://github.com/elric1/knc/commit/f237f3e09ecbaf59c897f5046538a7b1a3fa40c1
knc: fix a couple of memory leaks. · elric1/knc@f237f3e · GitHubPatch;Third Party Advisory
-
https://github.com/irsl/knc-memory-exhaustion/
GitHub - irsl/knc-memory-exhaustion: PoC memory exhaustion exploit of kerberized netcatExploit;Patch;Third Party Advisory
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