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CRITICAL · 9.8

CVE-2021-43299

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 va...

Vulnerability 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 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
TeluuPjsip<= 2.11.1
DebianDebian Linux9.0

Related Weaknesses (CWE)

CWE-121CWE-787

References

FAQ

What is CVE-2021-43299?

CVE-2021-43299 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 va...

How severe is CVE-2021-43299?

CVE-2021-43299 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-43299?

Check the references section above for vendor advisories and patch information. Affected products include: Teluu Pjsip, Debian Debian Linux.