5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.371 Low
EPSS
Percentile
97.1%
Buffer overflow in the unpacksms16 function in apps/app_sms.c in Asterisk
Open Source 1.8.x before 1.8.24.1, 10.x before 10.12.4, and 11.x before
11.6.1; Asterisk with Digiumphones 10.x-digiumphones before
10.12.4-digiumphones; and Certified Asterisk 1.8.x before 1.8.15-cert4 and
11.x before 11.2-cert3 allows remote attackers to cause a denial of service
(daemon crash) via a 16-bit SMS message with an odd number of bytes, which
triggers an infinite loop.