CVE-2021-32558

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
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.
Overview
  • CVE ID
  • CVE-2021-32558
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-07-30T14:15:16
  • Last Modified Date
  • 2021-11-28T23:16:19
Weakness Enumerations
CWE URL
CWE-74 http://cwe.mitre.org/data/definitions/74.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* 1 OR 13.0.0 13.38.3
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* 1 OR 16.0.0 16.19.1
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* 1 OR 17.0.0 17.9.4
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* 1 OR 18.0.0 18.15.1
cpe:2.3:a:digium:certified_asterisk:16.8:-:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc2:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc3:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc4:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:certified_asterisk:16.8:cert2:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:certified_asterisk:16.8:cert3:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:certified_asterisk:16.8:cert4:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc2:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc3:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc4:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:certified_asterisk:16.8:cert5:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:certified_asterisk:16.8:cert6:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:certified_asterisk:16.8:cert7:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:certified_asterisk:16.8:cert8:*:*:*:*:*:* 1 OR
cpe:2.3:a:digium:certified_asterisk:16.8:cert9:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* 1 OR
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
  • 3.1
  • Vector String
  • CVSS:3.1/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
http://packetstormsecurity.com/files/163639/Asterisk-Project-Security-Advisory-AST-2021-008.html Patch Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2021/Jul/49 Mailing List Patch Third Party Advisory
https://downloads.asterisk.org/pub/security/AST-2021-008.html Patch Vendor Advisory
https://issues.asterisk.org/jira/browse/ASTERISK-29392 Exploit Issue Tracking Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/08/msg00005.html Mailing List Third Party Advisory
https://www.debian.org/security/2021/dsa-4999 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-32558
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32558
History
Created Old Value New Value Data Type Notes
2022-05-10 06:44:49 Added to TrackCVE
2022-12-05 07:03:24 2021-07-30T14:15Z 2021-07-30T14:15:16 CVE Published Date updated
2022-12-05 07:03:24 2021-11-28T23:16:19 CVE Modified Date updated
2022-12-05 07:03:24 Analyzed Vulnerability Status updated