CVE-2019-7251

Severity Score

6.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An Integer Signedness issue (for a return code) in the res_pjsip_sdp_rtp module in Digium Asterisk versions 15.7.1 and earlier and 16.1.1 and earlier allows remote authenticated users to crash Asterisk via a specially crafted SDP protocol violation.

Un error en la propiedad signedness de un número entero (para código devuelto) en el módulo res_pjsip_sdp_rtp en Digium Asterisk, en versiones 15.7.1 y anteriores y en las 16.1.1 y anteriores, permite a los atacantes remotos no autenticados cerrar inesperadamente Asterisk mediante una violación de protocolo SDP especialmente manipulada.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-01-31 CVE Reserved
2019-02-28 CVE Published
2023-10-09 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-190: Integer Overflow or Wraparound

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://downloads.asterisk.org/pub/security/AST-2019-001.html	2019-04-01

URL	Date	SRC
https://issues.asterisk.org/jira/browse/ASTERISK-28260	2019-04-01

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				>= 15.0.0 < 15.7.2 Search vendor "Digium" for product "Asterisk" and version " >= 15.0.0 < 15.7.2"		-		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				>= 16.0.0 < 16.2.1 Search vendor "Digium" for product "Asterisk" and version " >= 16.0.0 < 16.2.1"		-		Affected