← Back

CVE-2020-35776

nvd nist
Published: Feb 18, 2021Modified: Jun 17, 2026

JSON object

Loading...
6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Exploitability: 2.8 / Impact: 3.6
Source: NVD

Description

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.

Affected (4)

Products: Digium: Asterisk
Digium
1 product
Asterisk
Configuration A
4 vulnerable
Vulnerable SoftwareAffected Versions
Digium
Asterisk
From 13.0.0 to 13.38.1
Asterisk
From 16.0.0 to 16.15.1
Asterisk
From 17.0.0 to 17.9.1
Asterisk
From 18.0 to 18.1.1

Related CWEs

CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (10)

Source: cve@mitre.org
PatchThird Party Advisory
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Vendor Advisory
Source: cve@mitre.org
Issue TrackingVendor Advisory
Source: cve@mitre.org
ExploitIssue TrackingPatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitIssue TrackingPatchVendor Advisory

Timeline

No history available yet.