Critical severity · published Feb 16, 2022
CVE-2021-43299
Stack overflow in PJSUA API when calling pjsua_player_create
9.8
CVSS
2.5%
EPSS
No
On KEV
Description
Stack overflow in PJSUA API when calling pjsua_player_create. An attacker-controlled 'filename' argument may cause a buffer overflow since it is copied to a fixed-size stack buffer without any size validation.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.5% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0; 10.0; 11.0 · source: NVD
PJ
Pjsip · Teluu
through 2.11.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-43299
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-43299
Patch
https://github.com/pjsip/pjproject/security/advisories/GHSA-qcvw-h34v-c7r9
Mailing List
https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html
Mailing List
https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html
Third Party Advisory
https://www.debian.org/security/2022/dsa-5285
lists.debian.org
https://lists.debian.org/debian-lts-announce/2024/09/msg00030.html
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