CVE-2018-16789

CVSS V2 High 7.8 CVSS V3 High 7.5
Description
libhttp/url.c in shellinabox through 2.20 has an implementation flaw in the HTTP request parsing logic. By sending a crafted multipart/form-data HTTP request, an attacker could exploit this to force shellinaboxd into an infinite loop, exhausting available CPU resources and taking the service down.
Overview
  • CVE ID
  • CVE-2018-16789
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-03-21T16:00:22
  • Last Modified Date
  • 2020-08-24T17:37:01
Weakness Enumerations
CWE URL
CWE-835 http://cwe.mitre.org/data/definitions/835.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:shellinabox_project:shellinabox:*:*:*:*:*:*:*:* 1 OR 2.20
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.8
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.9
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/shellinabox/shellinabox/commit/4f0ecc31ac6f985e0dd3f5a52cbfc0e9251f6361 Patch Third Party Advisory
https://code.google.com/archive/p/shellinabox/issues Third Party Advisory
http://seclists.org/fulldisclosure/2018/Oct/50 Exploit Mailing List Patch Third Party Advisory
http://packetstormsecurity.com/files/149978/Shell-In-A-Box-2.2.0-Denial-Of-Service.html Exploit Patch Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-16789
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16789
History
Created Old Value New Value Data Type Notes
2022-05-10 16:30:14 Added to TrackCVE
2022-12-03 18:19:05 2019-03-21T16:00Z 2019-03-21T16:00:22 CVE Published Date updated
2022-12-03 18:19:05 2020-08-24T17:37:01 CVE Modified Date updated
2022-12-03 18:19:05 Analyzed Vulnerability Status updated