CVE-2021-26712

2021-02-1821:15:11

Debian Security Bug Tracker

security-tracker.debian.org

5 Medium

CVSS2

Attack Vector

NETWORK

Attack 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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.015 Low

EPSS

Percentile

87.1%

JSON

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.

OSVersionArchitecturePackageVersionFilename
Debian11allasterisk< 1:16.28.0~dfsg-0+deb11u3asterisk_1:16.28.0~dfsg-0+deb11u3_all.deb
Debian10allasterisk< 1:16.2.1~dfsg-1+deb10u2asterisk_1:16.2.1~dfsg-1+deb10u2_all.deb
Debian999allasterisk< 1:20.8.1~dfsg+~cs6.14.40431414-1asterisk_1:20.8.1~dfsg+~cs6.14.40431414-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	11	all	asterisk	< 1:16.28.0~dfsg-0+deb11u3	asterisk_1:16.28.0~dfsg-0+deb11u3_all.deb
Debian	10	all	asterisk	< 1:16.2.1~dfsg-1+deb10u2	asterisk_1:16.2.1~dfsg-1+deb10u2_all.deb
Debian	999	all	asterisk	< 1:20.8.1~dfsg+~cs6.14.40431414-1	asterisk_1:20.8.1~dfsg+~cs6.14.40431414-1_all.deb