Executive Summary

Informations
Name CVE-2021-32558 First vendor Publication 2021-07-30
Vendor Cve Last vendor Modification 2021-08-06

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

An issue was discovered in Sangoma Asterisk 13.x before 13.38.3, 16.x before 16.19.1, 17.x before 17.9.4, and 18.x before 18.5.1, and Certified Asterisk before 16.8-cert10. If the IAX2 channel driver receives a packet that contains an unsupported media format, a crash can occur.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32558

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-74 Failure to Sanitize Data into a Different Plane ('Injection')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 935
Application 17
Os 1

Sources (Detail)

Source Url
FULLDISC http://seclists.org/fulldisclosure/2021/Jul/49
MISC http://packetstormsecurity.com/files/163639/Asterisk-Project-Security-Advisor...
https://downloads.asterisk.org/pub/security/AST-2021-008.html
https://issues.asterisk.org/jira/browse/ASTERISK-29392
MLIST https://lists.debian.org/debian-lts-announce/2021/08/msg00005.html

Alert History

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Date Informations
2021-08-07 12:42:20
  • Multiple Updates
2021-08-07 00:22:49
  • Multiple Updates
2021-08-04 21:23:12
  • Multiple Updates
2021-08-04 17:22:46
  • Multiple Updates
2021-07-30 21:23:09
  • First insertion