CVE-2021-3410 Memory corruption in libcaca
A buffer overflow in libcaca allows local attackers to execute arbitrary code in the user context.
- 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-2021-3410?
CVE-2021-3410 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 23 Feb 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw was found in libcaca v0.99.beta19. A buffer overflow issue in caca_resize function in libcaca/caca/canvas.c may lead to local execution of arbitrary code in the user context.
Which versions are affected by CVE-2021-3410?
It affects 3 products.
Linux distribution packages (7)
libcaca SUSE:Linux Enterprise Module for Basesystem 15 SP3 | All versions | 0.99.beta19.git20171003-150200.11.9.1 |
libcaca SUSE:Linux Enterprise Module for Basesystem 15 SP4 | All versions | 0.99.beta19.git20171003-150200.11.9.1 |
libcaca SUSE:Linux Enterprise Server 12 SP5 | All versions | 0.99.beta18-14.12.1 |
libcaca SUSE:Linux Enterprise Server for SAP Applications 12 SP5 | All versions | 0.99.beta18-14.12.1 |
libcaca SUSE:Linux Enterprise Software Development Kit 12 SP5 | All versions | 0.99.beta18-14.12.1 |
libcaca openSUSE:Leap 15.3 | All versions | 0.99.beta19.git20171003-150200.11.9.1 |
libcaca openSUSE:Leap 15.4 | All versions | 0.99.beta19.git20171003-150200.11.9.1 |
Products include Debian Debian Linux, Fedoraproject Fedora, Libcaca Project Libcaca.
How do I fix CVE-2021-3410?
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-2021-3410 being exploited?
There is no known exploitation of CVE-2021-3410 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2021-3410, DLA-2584-1, GHSA-9xcm-8x7r-552c, MGASA-2021-0128, SUSE-SU-2022:3400-1, SUSE-SU-2022:3428-1 and 2 more.