CVE-2022-33070 Denial of service in n/a
Attackers can cause a Denial of Service in applications using Protobuf-c via an invalid arithmetic shift in the tag parsing function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-33070?
CVE-2022-33070 is a medium-severity denial of service vulnerability in Fedoraproject Fedora, published on 22 Jun 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Protobuf-c v1.4.0 was discovered to contain an invalid arithmetic shift via the function parse_tag_and_wiretype in protobuf-c/protobuf-c.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via unspecified vectors.
Which versions are affected by CVE-2022-33070?
It affects 2 products.
Products include Fedoraproject Fedora, Protobuf-C Project Protobuf-C.
How do I fix CVE-2022-33070?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-33070 being exploited?
There is no known exploitation of CVE-2022-33070 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as ALPINE-CVE-2022-33070, AZL-9973, DEBIAN-CVE-2022-33070, GHSA-xcrq-6j7j-784j, OESA-2022-1789, OESA-2022-1904 and 3 more.