CVE-2021-43303

2022-02-1621:15:07

Debian Security Bug Tracker

security-tracker.debian.org

cve-2021-43303

buffer overflow

pjsua api

pjsua_call_dump

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.003

Percentile

71.8%

JSON

Buffer overflow in PJSUA API when calling pjsua_call_dump. An attacker-controlled ‘buffer’ argument may cause a buffer overflow, since supplying an output buffer smaller than 128 characters may overflow the output buffer, regardless of the ‘maxlen’ argument supplied

OSVersionArchitecturePackageVersionFilename
Debian11allasterisk< 1:16.28.0~dfsg-0+deb11u1asterisk_1:16.28.0~dfsg-0+deb11u1_all.deb
Debian999allasterisk< 1:18.11.1~dfsg+~cs6.10.40431413-1asterisk_1:18.11.1~dfsg+~cs6.10.40431413-1_all.deb
Debian12allring< 20230206.0~ds1-1ring_20230206.0~ds1-1_all.deb
Debian11allring< 20210112.2.b757bac~ds1-1+deb11u1ring_20210112.2.b757bac~ds1-1+deb11u1_all.deb
Debian999allring< 20230206.0~ds1-1ring_20230206.0~ds1-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	11	all	asterisk	< 1:16.28.0~dfsg-0+deb11u1	asterisk_1:16.28.0~dfsg-0+deb11u1_all.deb
Debian	999	all	asterisk	< 1:18.11.1~dfsg+~cs6.10.40431413-1	asterisk_1:18.11.1~dfsg+~cs6.10.40431413-1_all.deb
Debian	12	all	ring	< 20230206.0~ds1-1	ring_20230206.0~ds1-1_all.deb
Debian	11	all	ring	< 20210112.2.b757bac~ds1-1+deb11u1	ring_20210112.2.b757bac~ds1-1+deb11u1_all.deb
Debian	999	all	ring	< 20230206.0~ds1-1	ring_20230206.0~ds1-1_all.deb