PT-2021-22096 · Live555+1 · Live555+1

Jinsheng Ba · Published 2021-08-06 · Updated 2021-08-20 · CVE-2021-38382

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Live555 versions prior to 1.09

Description The issue arises from improper handling of Matroska and Ogg files. Specifically, sending two successive RTSP SETUP commands for the same track can cause a Use-After-Free, leading to a daemon crash.

Recommendations For versions prior to 1.09, update to version 1.09 or later to resolve the issue. As a temporary workaround, consider restricting access to RTSP SETUP commands for the same track to minimize the risk of exploitation.

Exploit

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2025-03983

CVE-2021-38382

OPENSUSE-SU-2024:11023-1

Affected Products

Astra Linux

Live555

References · 14

• 🔥 http://lists.live555.com/pipermail/live-devel/2021-August/021959.html · Exploit
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2025-0319SE17 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2025-0422SE92 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-38382 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-38382 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-38382 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-03983 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-38382 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-38382 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-38382 · Vendor Advisory
• http://live555.com/liveMedia/public/changelog.txt#%5B2021.08.06%5D · Note
• http://live555.com/liveMedia/public/changelog.txt#[2021.08.06] · Note
• https://altsp.su/obnovleniya-bezopasnosti · Note
• https://t.me/cvenotify/19821 · Telegram Post