CVE-2021-43302Out-of-bounds Read in Asterisk

CWE-125Out-of-bounds Read10 documents5 sources
Severity
9.1CRITICALNVD
OSV9.8
EPSS
0.3%
top 46.24%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedFeb 16
Latest updateMar 24

Description

Read out-of-bounds in PJSUA API when calling pjsua_recorder_create. An attacker-controlled 'filename' argument may cause an out-of-bounds read when the filename is shorter than 4 characters.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HExploitability: 3.9 | Impact: 5.2

Affected Packages5 packages

debiandebian/ring< asterisk 1:16.28.0~dfsg-0+deb11u1 (bullseye)
debiandebian/asterisk< asterisk 1:16.28.0~dfsg-0+deb11u1 (bullseye)
Ubuntupjsip/pjproject< 2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1+1
CVEListV5teluu/pjsipunspecified2.11.1
NVDteluu/pjsip2.11.1

Also affects: Debian Linux 10.0, 11.0, 9.0

Patches

🔴Vulnerability Details

5
OSV
pjproject vulnerabilities2026-03-24
OSV
ring vulnerabilities2023-10-24
OSV
ring vulnerabilities2023-10-09
GHSA
GHSA-qq7v-ccww-8wh3: Read out-of-bounds in PJSUA API when calling pjsua_recorder_create2022-02-17
OSV
CVE-2021-43302: Read out-of-bounds in PJSUA API when calling pjsua_recorder_create2022-02-16

📋Vendor Advisories

4
Ubuntu
PJSIP vulnerabilities2026-03-24
Ubuntu
Ring vulnerabilities2023-10-24
Ubuntu
Ring vulnerabilities2023-10-09
Debian
CVE-2021-43302: asterisk - Read out-of-bounds in PJSUA API when calling pjsua_recorder_create. An attacker-...2021
CVE-2021-43302 — Out-of-bounds Read in Debian Asterisk | cvebase