Description
A stack-based buffer overflow in res_rtp_asterisk.c in Sangoma Asterisk before 16.16.1, 17.x before 17.9.2, and 18.x before 18.2.1 and Certified Asterisk before 16.8-cert6 allows an authenticated WebRTC client to cause an Asterisk crash by sending multiple hold/unhold requests in quick succession. This is caused by a signedness comparison mismatch.
Published: 2021-02-19
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-13502 A stack-based buffer overflow in res_rtp_asterisk.c in Sangoma Asterisk before 16.16.1, 17.x before 17.9.2, and 18.x before 18.2.1 and Certified Asterisk before 16.8-cert6 allows an authenticated WebRTC client to cause an Asterisk crash by sending multiple hold/unhold requests in quick succession. This is caused by a signedness comparison mismatch.
History

No history.

Subscriptions

Digium Asterisk Certified Asterisk
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-03T20:33:40.660Z

Reserved: 2021-02-05T00:00:00.000Z

Link: CVE-2021-26713

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-02-19T20:15:13.193

Modified: 2024-11-21T05:56:43.707

Link: CVE-2021-26713

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses