CVE-2017-9732

CVSS V2 Medium 5 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2017-9732
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-12-20T23:29:00
  • Last Modified Date
  • 2019-01-11T16:24:04
Weakness Enumerations
CWE URL
CWE-400 http://cwe.mitre.org/data/definitions/400.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:secure-endpoints:kerberised_netcat:*:*:*:*:*:*:*:* 1 OR 1.11-1
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/irsl/knc-memory-exhaustion/ Exploit Patch Third Party Advisory
https://github.com/elric1/knc/commit/f237f3e09ecbaf59c897f5046538a7b1a3fa40c1 Patch Third Party Advisory
http://seclists.org/fulldisclosure/2018/Nov/65 Exploit Mailing List Patch Third Party Advisory
http://packetstormsecurity.com/files/150534/knc-Kerberized-NetCat-Denial-Of-Service.html Exploit Patch Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-9732
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9732
History
Created Old Value New Value Data Type Notes
2022-05-10 17:48:23 Added to TrackCVE
2022-12-03 15:36:48 2018-12-20T23:29Z 2018-12-20T23:29:00 CVE Published Date updated
2022-12-03 15:36:48 2019-01-11T16:24:04 CVE Modified Date updated
2022-12-03 15:36:48 Analyzed Vulnerability Status updated