NetSight
high7.5

CVE-2021-26712

Incorrect access controls in res_srtp.c in Sangoma Asterisk 13.38.1, 16.16.0, 17.9.1, and 18.2.0 and Certified Asterisk 16.8-cert5 allow a remote unauthenticat…

Impact

Incorrect access controls in res_srtp.c in Sangoma Asterisk 13.38.1, 16.16.0, 17.9.1, and 18.2.0 and Certified Asterisk 16.8-cert5 allow a remote unauthenticated attacker to prematurely terminate secure calls by replaying SRTP packets.

Affected products

VendorProductAffected versions
DigiumAsterisk
from 13.0.0 through 13.38.2
from 16.0.0 before 16.16.1
from 17.0.0 before 17.9.2
from 18.0 before 18.2.1
DigiumCertified Asterisk
Version 16.8

References