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UBUNTU-CVE-2021-3522
GStreamer before 1.18.4 may perform an out-of-bounds read when handling certain ID3v2 tags.
AI summary snake-internal / snake-template-v1
A weakness called UBUNTU-CVE-2021-3522 was discovered in GStreamer before 1.18.4 may.
Severity is Info. Low severity or not yet rated.
What you should do: update the affected software to the latest version. If unsure, ask your IT team or search the vendor's site for "GStreamer before 1.18.4 may UBUNTU-CVE-2021-3522".
UBUNTU-CVE-2021-3522 (GStreamer before 1.18.4 may). Severity: Info.
Response plan:
1. Check the vendor advisory for affected versions and the patched release.
2. If a vulnerable version is running in production, schedule maintenance (urgency from KEV/CVSS).
3. If no patch yet, mitigate via WAF rule, disabling the affected feature, etc.
4. Monitor logs / SIEM for known IOC and PoC signatures of this CVE.
PoCs and fix commits: see the 'References' section, MITRE, and NVD.
❓ What is the problem
A weakness (UBUNTU-CVE-2021-3522) in GStreamer before 1.18.4 may. A serious software flaw has been identified.
📍 Affected scope
Target versions of GStreamer before 1.18.4 may (see vendor advisory). If running in production, identify exposure immediately.
🔥 Severity
Severity: Info. Low severity or not yet rated.
🔧 How to fix
Update to the patched release as listed in the vendor advisory.
🛡️ Workaround
If a patch is not yet available, consider disabling the affected feature, applying WAF rules, blocking via network ACLs, or isolating the vulnerable version.
🔍 Detection
Check version information, scan dependencies via SBOM, and monitor SIEM for IOC and PoC signatures related to this CVE.
Affected packages
Ubuntu:Pro:16.04:LTS
gst-plugins-base1.0
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.3-1ubuntu0.3+esm1"}]}]
Ubuntu:18.04:LTS
gst-plugins-base1.0
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.5-0ubuntu1~18.04.3"}]}]
Ubuntu:20.04:LTS
gst-plugins-base1.0
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.2-4ubuntu0.1"}]}]
References
- advisory https://ubuntu.com/security/notices/USN-4959-1
- report https://ubuntu.com/security/CVE-2021-3522
- report https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/issues/876
- report https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/commit/f4a1428a6997658625d529b9db60fde812fbf1ee
- report https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/commit/8a88e5c1db05ebadfd4569955f6f47c23cdca3c4
- report https://gstreamer.freedesktop.org/security/sa-2021-0001.html
- report https://www.cve.org/CVERecord?id=CVE-2021-3522