CVE-2020-11061 Heap-based Buffer Overflow in Bareos Director
A malicious client can trigger a heap overflow in Bareos Director via oversized digest strings, potentially leading to code execution or service disruption.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-11061?
CVE-2020-11061 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 10 Jul 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In Bareos Director less than or equal to 16.2.10, 17.2.9, 18.2.8, and 19.2.7, a heap overflow allows a malicious client to corrupt the director's memory via oversized digest strings sent during initialization of a verify job. Disabling verify jobs mitigates the problem. This issue is also patched in Bareos versions 19.2.8, 18.2.9 and 17.2.10.
Which versions are affected by CVE-2020-11061?
It affects 2 products.
Products include Bareos Bareos, Debian Debian Linux.
How do I fix CVE-2020-11061?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-11061 being exploited?
There is no known exploitation of CVE-2020-11061 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as CLEANSTART-2024-OX27386, DEBIAN-CVE-2020-11061, DLA-2353-1, GHSA-mm45-cg35-54j4, UBUNTU-CVE-2020-11061.