[USN-5531-1] protobuf-c vulnerability


========================================================================== Ubuntu Security Notice USN-5531-1 July 26, 2022
protobuf-c vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 22.04 LTS – Ubuntu 20.04 LTS
Summary:
Several security issues were fixed in protobuf-c.
Software Description: – protobuf-c: Protocol Buffers C static library and headers (protobuf-c)
Details:
Pietro Borrello discovered that protobuf-c contained an invalid arithmetic shift. This vulnerability allowed attackers to cause a denial of service (system crash) via unspecified vectors (CVE-2022-33070).
It was discovered that protobuf-c contained an unsigned integer overflow. This vulnerability allowed attackers to cause a denial of service (system crash) via unspecified vectors.
Todd Miller discovered that protobuf-c contained a possible NULL dereference. This could cause a vulnerability that allowed attackers to cause a denial of service (system crash) via unspecified vectors.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 22.04 LTS: protobuf-c-compiler 1.3.3-1ubuntu2.1
Ubuntu 20.04 LTS: protobuf-c-compiler 1.3.3-1ubuntu0.1
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-5531-1 CVE-2022-33070
Package Information: launchpad.net/ubuntu/+source/protobuf-c/1.3.3-1ubuntu2.1 launchpad.net/ubuntu/+source/protobuf-c/1.3.3-1ubuntu0.1