Details of VAR-202505-3022

ID

VAR-202505-3022

CVE

CVE-2025-47779

TITLE

Sangoma of Asterisk and certified asterisk Vulnerability related to improper sanitization of delimiters in

Trust: 0.8

sources: JVNDB: JVNDB-2025-013053

DESCRIPTION

Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk, SIP requests of the type MESSAGE (RFC 3428) authentication do not get proper alignment. An authenticated attacker can spoof any user identity to send spam messages to the user with their authorization token. Abuse of this security issue allows authenticated attackers to send fake chat messages can be spoofed to appear to come from trusted entities. Even administrators who follow Security best practices and Security Considerations can be impacted. Therefore, abuse can lead to spam and enable social engineering, phishing and similar attacks. Versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk fix the issue. Sangoma of Asterisk and certified asterisk vulnerabilities related to improper sanitization of delimiters, special element 1 There is a filtering vulnerability in at least one instance.Information may be tampered with

Trust: 1.62

sources: NVD: CVE-2025-47779 // JVNDB: JVNDB-2025-013053

AFFECTED PRODUCTS

vendor:	sangoma	model:	asterisk	scope:	-	version:	-	Trust: 0.8
vendor:	sangoma	model:	certified asterisk	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2025-013053

CVSS

SEVERITY

CVSSV2

CVSSV3

security-advisories@github.com:	CVE-2025-47779
value:	HIGH
Trust: 1.0
NVD:	CVE-2025-47779
value:	MEDIUM
Trust: 0.8

security-advisories@github.com:	CVE-2025-47779
baseSeverity:	HIGH
baseScore:	7.7
vectorString:	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	CHANGED
confidentialityImpact:	NONE
integrityImpact:	HIGH
availabilityImpact:	NONE
exploitabilityScore:	3.1
impactScore:	4.0
version:	3.1
Trust: 1.0
NVD:	CVE-2025-47779
baseSeverity:	MEDIUM
baseScore:	6.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	HIGH
availabilityImpact:	NONE
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: JVNDB: JVNDB-2025-013053 // NVD: CVE-2025-47779

PROBLEMTYPE DATA

problemtype:	CWE-140	Trust: 1.0
problemtype:	CWE-792	Trust: 1.0
problemtype:	Improper sanitization of delimiters (CWE-140) [ others ]	Trust: 0.8
problemtype:	Special elements 1 Incomplete filtering for more than one instance (CWE-792) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2025-013053 // NVD: CVE-2025-47779

EXTERNAL IDS

db:	NVD	id:	CVE-2025-47779	Trust: 2.6
db:	JVNDB	id:	JVNDB-2025-013053	Trust: 0.8

sources: JVNDB: JVNDB-2025-013053 // NVD: CVE-2025-47779

REFERENCES

url:	https://github.com/asterisk/asterisk/blob/master/configs/samples/pjsip.conf.sample	Trust: 1.8
url:	https://github.com/asterisk/asterisk/security/advisories/ghsa-2grh-7mhv-fcfw	Trust: 1.8
url:	https://nvd.nist.gov/vuln/detail/cve-2025-47779	Trust: 0.8

sources: JVNDB: JVNDB-2025-013053 // NVD: CVE-2025-47779

SOURCES

db:	JVNDB	id:	JVNDB-2025-013053
db:	NVD	id:	CVE-2025-47779

LAST UPDATE DATE

2025-09-10T23:38:54.089000+00:00

SOURCES UPDATE DATE

db:	JVNDB	id:	JVNDB-2025-013053	date:	2025-09-05T06:31:00
db:	NVD	id:	CVE-2025-47779	date:	2025-05-23T15:55:02.040

SOURCES RELEASE DATE

db:	JVNDB	id:	JVNDB-2025-013053	date:	2025-09-05T00:00:00
db:	NVD	id:	CVE-2025-47779	date:	2025-05-22T17:15:24.730