Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2018-19911 First vendor Publication 2018-12-06
Vendor Cve Last vendor Modification 2020-08-24

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 5.9 Temporal Score 7.5
Exploitabality Sub Score 1.6
 
Attack Vector Network Attack Complexity High
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:H/Au:N/C:C/I:C/A:C)
Cvss Base Score 7.6 Attack Range Network
Cvss Impact Score 10 Attack Complexity High
Cvss Expoit Score 4.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

FreeSWITCH through 1.8.2, when mod_xml_rpc is enabled, allows remote attackers to execute arbitrary commands via the api/system or txtapi/system (or api/bg_system or txtapi/bg_system) query string on TCP port 8080, as demonstrated by an api/system?calc URI. This can also be exploited via CSRF. Alternatively, the default password of works for the freeswitch account can sometimes be used.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19911

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-352 Cross-Site Request Forgery (CSRF) (CWE/SANS Top 25)
50 % CWE-77 Improper Sanitization of Special Elements used in a Command ('Command Injection')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 3

Snort® IPS/IDS

Date Description
2020-04-16 FreeSWITCH mod_xml_rpc default credential login detected
RuleID : 53469 - Revision : 1 - Type : POLICY-OTHER
2020-04-16 FreeSWITCH mod_xml_rpc arbitrary command execution attempt
RuleID : 53468 - Revision : 1 - Type : SERVER-OTHER
2020-04-16 FreeSWITCH mod_xml_rpc arbitrary command execution attempt
RuleID : 53467 - Revision : 1 - Type : SERVER-OTHER
2020-04-16 FreeSWITCH mod_xml_rpc arbitrary command execution attempt
RuleID : 53466 - Revision : 1 - Type : SERVER-OTHER
2020-04-16 FreeSWITCH mod_xml_rpc arbitrary command execution attempt
RuleID : 53465 - Revision : 1 - Type : SERVER-OTHER
2020-04-16 FreeSWITCH mod_xml_rpc arbitrary command execution attempt
RuleID : 53464 - Revision : 1 - Type : SERVER-OTHER

Sources (Detail)

Source Url
MISC https://github.com/iSafeBlue/freeswitch_rce/blob/master/freeswitch_rce.py
https://github.com/iSafeBlue/freeswitch_rce/blob/master/README-en.md

Alert History

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Date Informations
2021-10-29 01:34:10
  • Multiple Updates
2021-05-04 13:13:13
  • Multiple Updates
2021-04-22 02:27:44
  • Multiple Updates
2020-09-03 01:22:50
  • Multiple Updates
2020-05-23 02:14:49
  • Multiple Updates
2020-05-23 01:12:10
  • Multiple Updates
2019-02-05 21:19:36
  • Multiple Updates
2018-12-06 21:19:30
  • First insertion