CVE-2021-26712

published 2021-02-18

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…

Priority P3 47 high 7.5 CVSS 3.1

AV N AC L PR N UI N S U C N I N A H

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

18 ranges

Vendor	Product	Version range	Fixed in
debian	asterisk	—	—
digium	asterisk	>= 0 < 16.16.1-r0	16.16.1-r0
digium	asterisk	>= 0 < 18.2.1-r0	18.2.1-r0
digium	asterisk	>= 0 < 18.2.1-r0	18.2.1-r0
digium	asterisk	>= 0 < 18.2.1-r0	18.2.1-r0
digium	asterisk	>= 0 < 18.2.1-r0	18.2.1-r0
digium	asterisk	>= 0 < 18.2.1-r0	18.2.1-r0
digium	asterisk	>= 0 < 18.2.1-r0	18.2.1-r0
digium	asterisk	>= 0 < 18.2.1-r0	18.2.1-r0
digium	asterisk	>= 0 < 18.2.1-r0	18.2.1-r0
digium	asterisk	>= 0 < 18.2.1-r0	18.2.1-r0
digium	asterisk	>= 0 < 18.2.1-r0	18.2.1-r0
digium	asterisk	>= 0 < 18.2.1-r0	18.2.1-r0
digium	asterisk	13.0.0 – 13.38.2	—
digium	asterisk	>= 16.0.0 < 16.16.1	16.16.1
digium	asterisk	>= 17.0.0 < 17.9.2	17.9.2
digium	asterisk	>= 18.0 < 18.2.1	18.2.1
digium	certified_asterisk	—	—

CVSS provenance

nvd v3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvd v2.0 5.0 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P

osv 7.5 HIGH

vendor_debian 7.5 LOW

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