CVE-2022-33070

Public Exploit

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.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.04%

Vendor Advisory fedoraproject.org

Affected: n/a n/a

References

Link	Tags
https://github.com/protobuf-c/protobuf-c/issues/506	patch exploit third party advisory issue tracking
https://github.com/protobuf-c/protobuf-c/pull/508	patch exploit third party advisory issue tracking
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FFN2GHUEGTSHRD7J5PKQ5DRSJSEQ2IKN/	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-33070?: CVE-2022-33070 has been scored as a medium severity vulnerability.
How to fix CVE-2022-33070?: To fix CVE-2022-33070, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-33070 being actively exploited in the wild?: It is possible that CVE-2022-33070 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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