CVE-2019-12827 — MEDIUM (6.5)

Q: How severe is CVE-2019-12827?

CVE-2019-12827 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2019-12827?

Check the references section above for vendor advisories and patch information. Affected products include: Digium Asterisk, Digium Certified Asterisk.

Vulnerability Description

Buffer overflow in res_pjsip_messaging in Digium Asterisk versions 13.21-cert3, 13.27.0, 15.7.2, 16.4.0 and earlier allows remote authenticated users to crash Asterisk by sending a specially crafted SIP MESSAGE message.

CVSS Score

6.5

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Digium	Asterisk	>= 13.0.0, < 13.27.0
Digium	Certified Asterisk	13.21

Related Weaknesses (CWE)

CWE-787

References

http://downloads.digium.com/pub/security/AST-2019-002.htmlVendor Advisory
https://issues.asterisk.org/jira/browse/ASTERISK-28447Vendor Advisory
http://downloads.digium.com/pub/security/AST-2019-002.htmlVendor Advisory
https://issues.asterisk.org/jira/browse/ASTERISK-28447Vendor Advisory

FAQ

What is CVE-2019-12827?

CVE-2019-12827 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Buffer overflow in res_pjsip_messaging in Digium Asterisk versions 13.21-cert3, 13.27.0, 15.7.2, 16.4.0 and earlier allows remote authenticated users to crash Asterisk by sending a specially crafted S...

How severe is CVE-2019-12827?

CVE-2019-12827 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-12827?

Check the references section above for vendor advisories and patch information. Affected products include: Digium Asterisk, Digium Certified Asterisk.