CVE-2017-9732
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 4.0% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 4.0% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 4.0% · EPSS, next 30 days
- Weakness
- CWE-400 · Uncontrolled resource consumption
- Record status
- Modified
Affected
- secure-endpoints Kerberised Netcat < 1.11-1
Attack profile CVSS 3.0 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2017-9732.md and follow it. Check whether this project is affected by CVE-2017-9732. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- 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/
- 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/
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/
- 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/