CVE-2021-0561 Memory corruption in Android
A missing bounds check in the Android audio encoder allows local attackers to perform an out-of-bounds write, leading to information disclosure without user interaction.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-0561?
CVE-2021-0561 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 22 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In append_to_verify_fifo_interleaved_ of stream_encoder.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-174302683
Weakness: CWE-787
Which versions are affected by CVE-2021-0561?
It affects 3 products.
Linux distribution packages (22)
flac AlmaLinux:9 | All versions | 1.3.3-10.el9 |
flac-devel AlmaLinux:9 | All versions | 1.3.3-10.el9 |
flac-libs AlmaLinux:9 | All versions | 1.3.3-10.el9 |
flac Red Hat:enterprise_linux:9::appstream | All versions | 0:1.3.3-10.el9 |
flac-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:1.3.3-10.el9 |
flac-debugsource Red Hat:enterprise_linux:9::appstream | All versions | 0:1.3.3-10.el9 |
flac-libs Red Hat:enterprise_linux:9::appstream | All versions | 0:1.3.3-10.el9 |
flac-libs-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:1.3.3-10.el9 |
flac Red Hat:enterprise_linux:9::crb | All versions | 0:1.3.3-10.el9 |
flac-debuginfo Red Hat:enterprise_linux:9::crb | All versions | 0:1.3.3-10.el9 |
flac-debugsource Red Hat:enterprise_linux:9::crb | All versions | 0:1.3.3-10.el9 |
flac-devel Red Hat:enterprise_linux:9::crb | All versions | 0:1.3.3-10.el9 |
flac-libs-debuginfo Red Hat:enterprise_linux:9::crb | All versions | 0:1.3.3-10.el9 |
flac Rocky Linux:9 | All versions | 0:1.3.3-10.el9 |
flac SUSE:Linux Enterprise Module for Basesystem 15 SP3 | All versions | 1.3.2-3.9.1 |
flac SUSE:Linux Enterprise Module for Package Hub 15 SP3 | All versions | 1.3.2-3.9.1 |
flac SUSE:Linux Enterprise Real Time 15 SP2 | All versions | 1.3.2-3.9.1 |
flac SUSE:Linux Enterprise Server 12 SP5 | All versions | 1.3.0-18.5.1 |
flac SUSE:Linux Enterprise Server for SAP Applications 12 SP5 | All versions | 1.3.0-18.5.1 |
flac SUSE:Linux Enterprise Software Development Kit 12 SP5 | All versions | 1.3.0-18.5.1 |
flac SUSE:Linux Enterprise Workstation Extension 12 SP5 | All versions | 1.3.0-18.5.1 |
flac openSUSE:Leap 15.3 | All versions | 1.3.2-3.9.1 |
Products include Debian Debian Linux, Fedoraproject Fedora, Google Android.
How do I fix CVE-2021-0561?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-0561 being exploited?
There is no known exploitation of CVE-2021-0561 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as A-174302683, ALPINE-CVE-2021-0561, ALSA-2022:8078, DEBIAN-CVE-2021-0561, DLA-2951-1, DLA-3094-1 and 10 more.