CVE-2021-43301 describes a critical stack overflow vulnerability in the PJSUA API, specifically within the pjsua_playlist_create function, affecting Debian Linux and Teluu PJSIP. An unvalidated 'file_names' argument can lead to a buffer overflow when copied to a fixed-size stack buffer. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-exploitable nature, low attack complexity, and high impact on confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.11.1CPE matchmatch criteria | cpe:2.3:a:teluu:pjsip:*:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.