CVE-2020-35776 - Vulnerability Details - OpenCVE

A buffer overflow in res_pjsip_diversion.c in Sangoma Asterisk versions 13.38.1, 16.15.1, 17.9.1, and 18.1.1 allows remote attacker to crash Asterisk by deliberately misusing SIP 181 responses.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00081.

Key SSVC decision points have not yet been added.

Vendors	Products
Digium	Asterisk

Configuration 1 [-]

OR	cpe:2.3:a:digium:asterisk::::::::
	cpe:2.3:a:digium:asterisk::::::::
	cpe:2.3:a:digium:asterisk::::::::
	cpe:2.3:a:digium:asterisk::::::::

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2020-23431	A buffer overflow in res_pjsip_diversion.c in Sangoma Asterisk versions 13.38.1, 16.15.1, 17.9.1, and 18.1.1 allows remote attacker to crash Asterisk by deliberately misusing SIP 181 responses.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://packetstormsecurity.com/files/161470/Asterisk-Project-Security-Advisory-AST-2021-001.html
http://seclists.org/fulldisclosure/2021/Feb/57
https://downloads.asterisk.org/pub/security/AST-2021-001.html
https://issues.asterisk.org/
https://issues.asterisk.org/jira/browse/ASTERISK-29227

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-02-18T19:57:57

Updated: 2024-08-04T17:09:15.196Z

Reserved: 2020-12-29T00:00:00

Link: CVE-2020-35776

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-02-18T20:15:12.447

Modified: 2024-11-21T05:28:03.670

Link: CVE-2020-35776

Redhat

No data.

OpenCVE Enrichment

No data.

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